This patient presented with rectal bleeding and weight loss and was found to have stage III adenocarcinoma. Given his family history of colorectal cancer in a first-degree relative at a young age, he is at high risk for hereditary non-polyposis colorectal cancer (HNPCC). HNPCC accounts for 5-7% of colorectal cancers and results from a mutation in DNA mismatch repair genes. Individuals with HNPCC have an increased lifetime risk of colorectal and other cancers. The patient was counseled on genetic testing and increased screening for relatives is recommended.
Lynch syndrome, also known as hereditary nonpolyposis colorectal cancer (HNPCC), is caused by a germline mutation in mismatch repair genes and is associated with increased risks of colorectal, endometrial, ovarian and other cancers. The Amsterdam criteria and Bethesda guidelines provide guidance for diagnosing Lynch syndrome based on family history and age of cancer onset. Screening recommendations include annual endometrial biopsy and pelvic exams/ultrasounds to screen for endometrial and ovarian cancers starting at age 30-35 or 5-10 years before the earliest cancer in the family. Risk reducing surgery is recommended after childbearing.
This document summarizes genetic changes in endometrial cancer and Lynch syndrome (HNPCC). It discusses two types of endometrial cancer (Type I and Type II), risk factors, molecular features, diagnosis of Lynch syndrome, cancer risks, pathogenesis, tests used for screening/diagnosis including immunohistochemistry and microsatellite instability testing. Lynch syndrome is an autosomal dominant condition associated with mutations in mismatch repair genes that increases risks of colorectal, endometrial and other cancers.
Prognostic factors in carcinoma breast pptSwati Wadhai
Carcinoma of the breast is the most common malignancy and leading cause of death in women. Several prognostic factors are used to determine the severity and risk of recurrence of breast cancer, including patient age, tumor size and characteristics, lymph node involvement, histologic grade, and biomarkers like hormone receptor status. Combining these factors can provide prognostic groups that help guide treatment decisions. The sentinel lymph node biopsy procedure also helps predict the involvement of other lymph nodes and prognosis.
This document discusses the evaluation and management of cystic tumors of the pancreas. It notes that the most common types are serous cystadenomas, mucinous cystic neoplasms, and intraductal papillary mucinous neoplasms. Initial imaging includes MRI with MRCP and EUS with FNA to characterize the cyst. Cyst fluid analysis is important to distinguish malignant potential. Small asymptomatic cysts may only need follow up imaging. Surveillance is recommended for certain non-surgical cases, monitoring for changes or malignant progression over multiple years.
PROGNOSTIC AND PREDICTIVE FACTORS FOR METASTATIC CARCINOMA BREASTDrAnkitaPatel
This document discusses various prognostic and predictive factors in breast cancer. It is divided into three categories:
Category I factors that are proven to be prognostically important and useful in clinical management, including tumor size, lymph node status, histological grade, and hormone receptor status.
Category II factors that are extensively studied biologically but require further validation, such as HER2 status, p53 mutation, and lymphovascular invasion.
Category III factors that are not sufficiently studied to demonstrate prognostic value, including tumor angiogenesis and EGFR. Various biomarkers and assays used to evaluate these factors are also described.
This document discusses the use of immunohistochemistry in breast pathology. It covers several topics:
1. Analyzing prognostic markers like hormone receptors in breast cancer and their predictive value.
2. Using myoepithelial cell markers to help solve diagnostic dilemmas and distinguish lesions.
3. Identifying tumor subtypes and assessing diagnoses using markers like luminal vs basal.
4. Evaluating cell populations in proliferative breast lesions and assessing neoplasia vs hyperplasia.
This document provides information about testicular cancers, including:
- Testicular cancer accounts for 1% of cancers in males and is highly curable when detected early, often affecting young men.
- The testis has blood supply from the testicular artery and drains into the pampiniform plexus and internal spermatic veins. Lymphatic drainage is to retroperitoneal lymph nodes.
- The majority (95%) are germ cell tumors, including seminomas and non-seminomas. Staging involves tumor markers, imaging scans, and lymph node dissection. Treatment depends on the type and stage but may include surgery, chemotherapy, and radiation therapy.
1) The document discusses various precancerous lesions of the colon and rectum, including adenomas, hyperplastic polyps, sessile serrated lesions, and traditional serrated adenomas.
2) It describes the histological features and progression of these lesions, noting that sessile serrated lesions and traditional serrated adenomas have a significant malignant potential, whereas hyperplastic polyps have a very low malignant potential.
3) Two pathways of colorectal carcinogenesis are discussed: the classic adenoma-carcinoma sequence and the serrated neoplastic pathway, which involves certain serrated polyps.
Lynch syndrome, also known as hereditary nonpolyposis colorectal cancer (HNPCC), is caused by a germline mutation in mismatch repair genes and is associated with increased risks of colorectal, endometrial, ovarian and other cancers. The Amsterdam criteria and Bethesda guidelines provide guidance for diagnosing Lynch syndrome based on family history and age of cancer onset. Screening recommendations include annual endometrial biopsy and pelvic exams/ultrasounds to screen for endometrial and ovarian cancers starting at age 30-35 or 5-10 years before the earliest cancer in the family. Risk reducing surgery is recommended after childbearing.
This document summarizes genetic changes in endometrial cancer and Lynch syndrome (HNPCC). It discusses two types of endometrial cancer (Type I and Type II), risk factors, molecular features, diagnosis of Lynch syndrome, cancer risks, pathogenesis, tests used for screening/diagnosis including immunohistochemistry and microsatellite instability testing. Lynch syndrome is an autosomal dominant condition associated with mutations in mismatch repair genes that increases risks of colorectal, endometrial and other cancers.
Prognostic factors in carcinoma breast pptSwati Wadhai
Carcinoma of the breast is the most common malignancy and leading cause of death in women. Several prognostic factors are used to determine the severity and risk of recurrence of breast cancer, including patient age, tumor size and characteristics, lymph node involvement, histologic grade, and biomarkers like hormone receptor status. Combining these factors can provide prognostic groups that help guide treatment decisions. The sentinel lymph node biopsy procedure also helps predict the involvement of other lymph nodes and prognosis.
This document discusses the evaluation and management of cystic tumors of the pancreas. It notes that the most common types are serous cystadenomas, mucinous cystic neoplasms, and intraductal papillary mucinous neoplasms. Initial imaging includes MRI with MRCP and EUS with FNA to characterize the cyst. Cyst fluid analysis is important to distinguish malignant potential. Small asymptomatic cysts may only need follow up imaging. Surveillance is recommended for certain non-surgical cases, monitoring for changes or malignant progression over multiple years.
PROGNOSTIC AND PREDICTIVE FACTORS FOR METASTATIC CARCINOMA BREASTDrAnkitaPatel
This document discusses various prognostic and predictive factors in breast cancer. It is divided into three categories:
Category I factors that are proven to be prognostically important and useful in clinical management, including tumor size, lymph node status, histological grade, and hormone receptor status.
Category II factors that are extensively studied biologically but require further validation, such as HER2 status, p53 mutation, and lymphovascular invasion.
Category III factors that are not sufficiently studied to demonstrate prognostic value, including tumor angiogenesis and EGFR. Various biomarkers and assays used to evaluate these factors are also described.
This document discusses the use of immunohistochemistry in breast pathology. It covers several topics:
1. Analyzing prognostic markers like hormone receptors in breast cancer and their predictive value.
2. Using myoepithelial cell markers to help solve diagnostic dilemmas and distinguish lesions.
3. Identifying tumor subtypes and assessing diagnoses using markers like luminal vs basal.
4. Evaluating cell populations in proliferative breast lesions and assessing neoplasia vs hyperplasia.
This document provides information about testicular cancers, including:
- Testicular cancer accounts for 1% of cancers in males and is highly curable when detected early, often affecting young men.
- The testis has blood supply from the testicular artery and drains into the pampiniform plexus and internal spermatic veins. Lymphatic drainage is to retroperitoneal lymph nodes.
- The majority (95%) are germ cell tumors, including seminomas and non-seminomas. Staging involves tumor markers, imaging scans, and lymph node dissection. Treatment depends on the type and stage but may include surgery, chemotherapy, and radiation therapy.
1) The document discusses various precancerous lesions of the colon and rectum, including adenomas, hyperplastic polyps, sessile serrated lesions, and traditional serrated adenomas.
2) It describes the histological features and progression of these lesions, noting that sessile serrated lesions and traditional serrated adenomas have a significant malignant potential, whereas hyperplastic polyps have a very low malignant potential.
3) Two pathways of colorectal carcinogenesis are discussed: the classic adenoma-carcinoma sequence and the serrated neoplastic pathway, which involves certain serrated polyps.
This document provides guidelines for the diagnosis and management of cystic pancreatic lesions. It discusses various types of cystic masses that can occur in the pancreas such as pseudocysts, serous cystadenomas, mucinous cystic neoplasms, intraductal papillary mucinous neoplasms (IPMN), and solid pseudo-papillary tumors. For each type, it provides information on characteristics, malignant potential, imaging appearance, and treatment approach. Initial evaluation of pancreatic cysts should aim to exclude pseudocysts based on history of pancreatitis. Morphological evaluation and cyst fluid analysis via EUS and FNA are important diagnostic tools to characterize cyst type and guide management.
This document summarizes information about sentinel lymph node biopsy for breast cancer. It discusses the history and technique of sentinel lymph node biopsy. It describes that the sentinel lymph node is the first lymph node to receive drainage from the primary tumor site, usually in the axilla. The document outlines the procedure for sentinel lymph node biopsy and evaluating biopsy specimens. It discusses studies that have shown sentinel lymph node biopsy is an accurate method for staging breast cancer and that completion axillary lymph node dissection may not be needed in all cases with limited sentinel lymph node involvement.
1. Neuroendocrine tumors (NETs) are increasing in incidence and are often metastatic at diagnosis. They originate from neuroendocrine cells and secrete hormones.
2. Somatostatin analogues are first-line treatment for symptomatic control in NETs but resistance can develop. Chemotherapy has limited efficacy except in high-grade tumors.
3. Emerging biomarkers and molecular targeted therapies such as inhibitors of angiogenesis are improving outcomes beyond traditional approaches.
This document discusses molecular profiling of breast cancer. It begins by introducing breast cancer as the most common cancer in women. It then discusses traditional classifications based on histological and clinical features. However, up to half of hormone receptor positive cancers do not respond to treatment, showing clinical classifications are insufficient. Molecular profiling uses high-throughput techniques to better understand breast cancer biology and refine classifications. Gene expression profiling has identified major molecular subtypes, like luminal A/B, HER2-positive, and basal-like. Multigene assays provide prognostic and predictive information beyond traditional clinics-pathological factors. Several common assays are discussed, including Oncotype DX, Mammaprint, and PAM50. Next generation sequencing is also discussed for
This case discusses a 35-year-old woman named Saher who is concerned about her risk of colorectal cancer due to her family history. Saher's aunts died of colorectal cancer at age 54, her father had intestinal polyps, and her grandmother had uterine cancer and died at age 48. The document discusses that colorectal cancer can be inherited through gene mutations. It explains that Saher most likely has Lynch syndrome, the most common form of hereditary colorectal cancer caused by a defective mismatch repair gene. The document recommends screening and provides prevention strategies like diet, exercise and prophylactic surgery to help manage Saher's risk and the risks to her children.
This document provides information on testicular tumors, including their epidemiology, risk factors, classification, types, clinical features, investigations, staging, and spread. Some key points:
- Testicular tumors comprise 1-2% of all malignancies and 95% are germ cell tumors (GCTs), which predominantly affect young males.
- Risk factors include cryptorchidism, family history, prior testicular cancer, intratubular germ cell neoplasia, and environmental exposures.
- The main types of GCTs are seminoma, embryonal carcinoma, choriocarcinoma, yolk sac tumor, and teratoma.
- Clinical features depend on whether the
This document contains the medical records of a 39-year-old female patient admitted with a 3-year history of abdominal pain and weakness. Physical examination revealed pallor. Laboratory tests showed anemia and elevated CEA. Imaging found thickening and masses in the colon concerning for cancer. The patient underwent a total proctocolectomy for Familial Adenomatous Polyposis (FAP) with carcinoma of the right colon. Pathology confirmed adenocarcinoma arising in adenomatous polyposis. The patient was discharged and started on chemotherapy due to lymph node involvement.
Carcinoid tumors are slow-growing neuroendocrine tumors that commonly arise in the gastrointestinal tract and lungs. The document discusses carcinoid tumors in depth, including their definition, sites of origin, histology, staging, clinical features, diagnostic testing, and management approaches. Treatment involves surgical resection when possible, with additional therapies for advanced or metastatic disease aimed at controlling hormone secretion and tumor growth.
This document discusses the pathology and staging of prostatic neoplasia. It begins by classifying different types of prostate tumors, including adenocarcinoma, prostatic intraepithelial neoplasia (PIN), and other rare subtypes. It then focuses on PIN and adenocarcinoma, discussing their histological features, risk of associated malignancy, and clinical implications. The document also covers tumor grading using the Gleason scoring system, methods of tumor spread, prognostic factors, and considerations for various prostate tumor subtypes and treatments.
Prostate cancer is the most common cancer in men. While some prostate cancers are small and clinically insignificant, others can be rapidly fatal. The percentage of free PSA to total PSA is lower in men with prostate cancer. Microscopically, prostate cancer shows pleomorphic cells in single layer glands without secretions, unlike the normal double layer glands. Gleason scoring is used to grade prostate cancers from 1 to 10 based on their appearance under microscopy. Staging helps determine prognosis, with stage 1 having a 90% 5-year survival rate compared to 10% for stage 4 cancers.
The document provides guidance on grossing Whipple's specimens. It discusses that a Whipple's specimen contains the pancreatic head, duodenum, gallbladder and portions of the stomach and small intestine. Key steps in grossing include inking surfaces, slicing the pancreatic head, examining the ampulla and margins, and submitting sections of the tumor, ducts, margins and lymph nodes for histology. Performing a thorough gross examination is important for accurately assessing resection status and staging the tumor.
This document discusses the Gleason grading system for prostate cancer. It provides details on the original Gleason patterns from 1 to 5 based on tumor architecture, with pattern 1 being the most differentiated and pattern 5 being undifferentiated. The Gleason score is determined by adding the primary and secondary patterns. The document reviews reporting of Gleason scores for different specimen types like biopsies and radical prostatectomies. It also discusses modifications to the Gleason system over time with new discoveries in prostate cancer.
Testicular tumors-Cassification, Biomarkers and Staging by Dr RajeshRajesh Sinwer
This document discusses testicular tumors, including:
- Germ cell tumors are the most common type, comprising 95% of cases. Seminomas and non-seminomatous germ cell tumors are the main subtypes.
- Important biomarkers for testicular cancer include AFP, HCG, LDH, and PLAP. Elevated levels can indicate the presence of a non-seminoma.
- Staging is important and is based on whether the cancer is confined to the testis or has spread to lymph nodes or other organs. Spread beyond the retroperitoneum is considered stage III.
- Diagnostic workup involves imaging like ultrasound, CT, MRI and PET scans
The document discusses several pediatric neoplasms that appear as small round blue cell tumors due to their primitive histological features. These include neuroblastoma, Wilms tumor, rhabdomyosarcoma, Ewing's sarcoma, medulloblastoma, retinoblastoma, and lymphoma. For each tumor, the document outlines characteristics such as common age of diagnosis, clinical features, histopathological appearance under the microscope, immunohistochemistry profiles, genetics where relevant, and important prognostic factors. Differential diagnosis of these small round blue cell tumors in children is provided for accurate diagnosis and treatment.
Gene expression profiling in breast carcinomaghoshparthanrs
This document discusses gene expression profiling in breast cancer and its use in classifying tumor subtypes. It describes how gene expression profiling analyzes thousands of genes simultaneously to more accurately classify tumors. Breast cancer is classified into clinical subtypes based on receptor expression, including luminal, HER2-enriched, and basal subtypes. Gene signatures can provide prognostic information to help guide treatment decisions for early-stage breast cancer patients. Tests like Oncotype DX and Mammaprint analyze gene expression from tumor samples to predict the risk of recurrence.
- Angiomyolipoma is a rare, benign renal tumor composed of blood vessels, smooth muscle, and fat that accounts for less than 10% of renal tumors. It occurs more frequently in women and individuals with tuberous sclerosis. Symptoms include flank pain, masses, and hemorrhage. Diagnosis is based on imaging showing a fat-containing renal lesion. Treatment options range from observation to surgery depending on size and symptoms.
This document provides information about bladder carcinoma, including:
1. Bladder carcinoma is the most common cancer of the urinary tract, affecting men more than women. It is most common in the elderly, around ages 67-70.
2. Risk factors include family history, chemical exposure, smoking, irradiation, arsenic exposure, and urinary disorders. Preneoplastic abnormalities and carcinoma in situ can develop.
3. Transitional cell carcinoma accounts for 90% of bladder cancers and can range from low to high grade. Staging involves determining if the cancer is superficial, invasive, or metastatic. Treatment depends on the stage and grade.
This document provides an overview of breast carcinoma, including its development, anatomy, risk factors, subtypes, and diagnosis. It begins with the development of the breast from fetal stages through adulthood. It describes the anatomy of the breast including blood supply, lymphatic drainage, and subareolar plexus. Risk factors associated with breast carcinoma include age, family history, personal history, reproductive history, and lifestyle factors. The document discusses the molecular subtypes of breast cancer and genes associated with inherited forms. It provides details on non-invasive and invasive breast carcinomas and concludes with an overview of the clinical examination and workup for diagnosing breast cancer.
The document discusses anal canal carcinoma and its management. It covers the epidemiology, etiology, risk factors, carcinogenesis, morphology, clinical features, classification, screening, diagnosis, staging, treatment and recent advances of anal canal carcinoma. Screening and removing precancerous polyps is important for prevention. Diagnosis involves imaging and biopsy. Treatment depends on staging and may include surgery, chemotherapy and radiation. Ongoing research focuses on improved screening, staging and minimally invasive treatment options.
This document provides an overview of colorectal carcinoma, including its anatomy, genetics, risk factors, screening, diagnosis, staging, and treatment strategies. Some key points:
- Colorectal cancer is one of the most common cancers worldwide. Proximal colon cancer is usually related to microsatellite instability, while distal colon cancer is associated with chromosomal instability.
- Risk factors include diet, smoking, inflammation. Screening includes fecal occult blood tests and endoscopy starting at age 50.
- Staging involves examining tumor depth, lymph node involvement, and metastasis. Treatment depends on stage but generally involves surgical resection with or without chemotherapy or radiation. The goal is sphincter preservation for rectal cancers
This document provides guidelines for the diagnosis and management of cystic pancreatic lesions. It discusses various types of cystic masses that can occur in the pancreas such as pseudocysts, serous cystadenomas, mucinous cystic neoplasms, intraductal papillary mucinous neoplasms (IPMN), and solid pseudo-papillary tumors. For each type, it provides information on characteristics, malignant potential, imaging appearance, and treatment approach. Initial evaluation of pancreatic cysts should aim to exclude pseudocysts based on history of pancreatitis. Morphological evaluation and cyst fluid analysis via EUS and FNA are important diagnostic tools to characterize cyst type and guide management.
This document summarizes information about sentinel lymph node biopsy for breast cancer. It discusses the history and technique of sentinel lymph node biopsy. It describes that the sentinel lymph node is the first lymph node to receive drainage from the primary tumor site, usually in the axilla. The document outlines the procedure for sentinel lymph node biopsy and evaluating biopsy specimens. It discusses studies that have shown sentinel lymph node biopsy is an accurate method for staging breast cancer and that completion axillary lymph node dissection may not be needed in all cases with limited sentinel lymph node involvement.
1. Neuroendocrine tumors (NETs) are increasing in incidence and are often metastatic at diagnosis. They originate from neuroendocrine cells and secrete hormones.
2. Somatostatin analogues are first-line treatment for symptomatic control in NETs but resistance can develop. Chemotherapy has limited efficacy except in high-grade tumors.
3. Emerging biomarkers and molecular targeted therapies such as inhibitors of angiogenesis are improving outcomes beyond traditional approaches.
This document discusses molecular profiling of breast cancer. It begins by introducing breast cancer as the most common cancer in women. It then discusses traditional classifications based on histological and clinical features. However, up to half of hormone receptor positive cancers do not respond to treatment, showing clinical classifications are insufficient. Molecular profiling uses high-throughput techniques to better understand breast cancer biology and refine classifications. Gene expression profiling has identified major molecular subtypes, like luminal A/B, HER2-positive, and basal-like. Multigene assays provide prognostic and predictive information beyond traditional clinics-pathological factors. Several common assays are discussed, including Oncotype DX, Mammaprint, and PAM50. Next generation sequencing is also discussed for
This case discusses a 35-year-old woman named Saher who is concerned about her risk of colorectal cancer due to her family history. Saher's aunts died of colorectal cancer at age 54, her father had intestinal polyps, and her grandmother had uterine cancer and died at age 48. The document discusses that colorectal cancer can be inherited through gene mutations. It explains that Saher most likely has Lynch syndrome, the most common form of hereditary colorectal cancer caused by a defective mismatch repair gene. The document recommends screening and provides prevention strategies like diet, exercise and prophylactic surgery to help manage Saher's risk and the risks to her children.
This document provides information on testicular tumors, including their epidemiology, risk factors, classification, types, clinical features, investigations, staging, and spread. Some key points:
- Testicular tumors comprise 1-2% of all malignancies and 95% are germ cell tumors (GCTs), which predominantly affect young males.
- Risk factors include cryptorchidism, family history, prior testicular cancer, intratubular germ cell neoplasia, and environmental exposures.
- The main types of GCTs are seminoma, embryonal carcinoma, choriocarcinoma, yolk sac tumor, and teratoma.
- Clinical features depend on whether the
This document contains the medical records of a 39-year-old female patient admitted with a 3-year history of abdominal pain and weakness. Physical examination revealed pallor. Laboratory tests showed anemia and elevated CEA. Imaging found thickening and masses in the colon concerning for cancer. The patient underwent a total proctocolectomy for Familial Adenomatous Polyposis (FAP) with carcinoma of the right colon. Pathology confirmed adenocarcinoma arising in adenomatous polyposis. The patient was discharged and started on chemotherapy due to lymph node involvement.
Carcinoid tumors are slow-growing neuroendocrine tumors that commonly arise in the gastrointestinal tract and lungs. The document discusses carcinoid tumors in depth, including their definition, sites of origin, histology, staging, clinical features, diagnostic testing, and management approaches. Treatment involves surgical resection when possible, with additional therapies for advanced or metastatic disease aimed at controlling hormone secretion and tumor growth.
This document discusses the pathology and staging of prostatic neoplasia. It begins by classifying different types of prostate tumors, including adenocarcinoma, prostatic intraepithelial neoplasia (PIN), and other rare subtypes. It then focuses on PIN and adenocarcinoma, discussing their histological features, risk of associated malignancy, and clinical implications. The document also covers tumor grading using the Gleason scoring system, methods of tumor spread, prognostic factors, and considerations for various prostate tumor subtypes and treatments.
Prostate cancer is the most common cancer in men. While some prostate cancers are small and clinically insignificant, others can be rapidly fatal. The percentage of free PSA to total PSA is lower in men with prostate cancer. Microscopically, prostate cancer shows pleomorphic cells in single layer glands without secretions, unlike the normal double layer glands. Gleason scoring is used to grade prostate cancers from 1 to 10 based on their appearance under microscopy. Staging helps determine prognosis, with stage 1 having a 90% 5-year survival rate compared to 10% for stage 4 cancers.
The document provides guidance on grossing Whipple's specimens. It discusses that a Whipple's specimen contains the pancreatic head, duodenum, gallbladder and portions of the stomach and small intestine. Key steps in grossing include inking surfaces, slicing the pancreatic head, examining the ampulla and margins, and submitting sections of the tumor, ducts, margins and lymph nodes for histology. Performing a thorough gross examination is important for accurately assessing resection status and staging the tumor.
This document discusses the Gleason grading system for prostate cancer. It provides details on the original Gleason patterns from 1 to 5 based on tumor architecture, with pattern 1 being the most differentiated and pattern 5 being undifferentiated. The Gleason score is determined by adding the primary and secondary patterns. The document reviews reporting of Gleason scores for different specimen types like biopsies and radical prostatectomies. It also discusses modifications to the Gleason system over time with new discoveries in prostate cancer.
Testicular tumors-Cassification, Biomarkers and Staging by Dr RajeshRajesh Sinwer
This document discusses testicular tumors, including:
- Germ cell tumors are the most common type, comprising 95% of cases. Seminomas and non-seminomatous germ cell tumors are the main subtypes.
- Important biomarkers for testicular cancer include AFP, HCG, LDH, and PLAP. Elevated levels can indicate the presence of a non-seminoma.
- Staging is important and is based on whether the cancer is confined to the testis or has spread to lymph nodes or other organs. Spread beyond the retroperitoneum is considered stage III.
- Diagnostic workup involves imaging like ultrasound, CT, MRI and PET scans
The document discusses several pediatric neoplasms that appear as small round blue cell tumors due to their primitive histological features. These include neuroblastoma, Wilms tumor, rhabdomyosarcoma, Ewing's sarcoma, medulloblastoma, retinoblastoma, and lymphoma. For each tumor, the document outlines characteristics such as common age of diagnosis, clinical features, histopathological appearance under the microscope, immunohistochemistry profiles, genetics where relevant, and important prognostic factors. Differential diagnosis of these small round blue cell tumors in children is provided for accurate diagnosis and treatment.
Gene expression profiling in breast carcinomaghoshparthanrs
This document discusses gene expression profiling in breast cancer and its use in classifying tumor subtypes. It describes how gene expression profiling analyzes thousands of genes simultaneously to more accurately classify tumors. Breast cancer is classified into clinical subtypes based on receptor expression, including luminal, HER2-enriched, and basal subtypes. Gene signatures can provide prognostic information to help guide treatment decisions for early-stage breast cancer patients. Tests like Oncotype DX and Mammaprint analyze gene expression from tumor samples to predict the risk of recurrence.
- Angiomyolipoma is a rare, benign renal tumor composed of blood vessels, smooth muscle, and fat that accounts for less than 10% of renal tumors. It occurs more frequently in women and individuals with tuberous sclerosis. Symptoms include flank pain, masses, and hemorrhage. Diagnosis is based on imaging showing a fat-containing renal lesion. Treatment options range from observation to surgery depending on size and symptoms.
This document provides information about bladder carcinoma, including:
1. Bladder carcinoma is the most common cancer of the urinary tract, affecting men more than women. It is most common in the elderly, around ages 67-70.
2. Risk factors include family history, chemical exposure, smoking, irradiation, arsenic exposure, and urinary disorders. Preneoplastic abnormalities and carcinoma in situ can develop.
3. Transitional cell carcinoma accounts for 90% of bladder cancers and can range from low to high grade. Staging involves determining if the cancer is superficial, invasive, or metastatic. Treatment depends on the stage and grade.
This document provides an overview of breast carcinoma, including its development, anatomy, risk factors, subtypes, and diagnosis. It begins with the development of the breast from fetal stages through adulthood. It describes the anatomy of the breast including blood supply, lymphatic drainage, and subareolar plexus. Risk factors associated with breast carcinoma include age, family history, personal history, reproductive history, and lifestyle factors. The document discusses the molecular subtypes of breast cancer and genes associated with inherited forms. It provides details on non-invasive and invasive breast carcinomas and concludes with an overview of the clinical examination and workup for diagnosing breast cancer.
The document discusses anal canal carcinoma and its management. It covers the epidemiology, etiology, risk factors, carcinogenesis, morphology, clinical features, classification, screening, diagnosis, staging, treatment and recent advances of anal canal carcinoma. Screening and removing precancerous polyps is important for prevention. Diagnosis involves imaging and biopsy. Treatment depends on staging and may include surgery, chemotherapy and radiation. Ongoing research focuses on improved screening, staging and minimally invasive treatment options.
This document provides an overview of colorectal carcinoma, including its anatomy, genetics, risk factors, screening, diagnosis, staging, and treatment strategies. Some key points:
- Colorectal cancer is one of the most common cancers worldwide. Proximal colon cancer is usually related to microsatellite instability, while distal colon cancer is associated with chromosomal instability.
- Risk factors include diet, smoking, inflammation. Screening includes fecal occult blood tests and endoscopy starting at age 50.
- Staging involves examining tumor depth, lymph node involvement, and metastasis. Treatment depends on stage but generally involves surgical resection with or without chemotherapy or radiation. The goal is sphincter preservation for rectal cancers
Staging and investigation of ca kidney and bladderAtulGupta369
This document discusses staging and investigations for kidney and bladder cancer. It provides details on:
- Risk factors, pathological subtypes, and epidemiology of kidney cancer
- Genetic and non-genetic risk factors for bladder cancer
- Evaluations for diagnosis of both cancers including lab tests, imaging like CT, MRI, and pathology examination
- Presenting signs, symptoms, and classifications of bladder cancer
It is an informative overview of kidney and bladder cancers covering their risk factors, diagnostic workup, classifications, and epidemiology.
Colorectal cancer is the second most common cause of cancer deaths in North America. Risk factors include family history, age over 50, inflammatory bowel disease, poor diet, smoking, and certain genetic conditions. Screening tools like fecal occult blood tests and colonoscopy can detect early-stage cancers. Treatment may involve surgery to remove the cancerous tissue, and sometimes chemotherapy or radiation. After treatment, regular follow-up via tests like CT scans and colonoscopies can help monitor for cancer recurrence.
The document discusses several topics related to colorectal cancer including hereditary forms, staging, treatment with surgery and targeted therapies. It presents two case studies, one with a family history of colon cancer who was found to have a genetic mutation, and another with a locally advanced rectal tumor treated with preoperative chemoradiation followed by surgery.
This document provides an overview of gastric carcinoma, including:
- Causes of epigastric lumps that may indicate gastric carcinoma
- Risk factors like H. pylori infection, diet, smoking, and genetic factors
- Staging classifications including TNM, Lauren-Jarvi, and Borrmann systems
- Treatment approaches like endoscopic or surgical resection depending on stage, with lymph node dissection and reconstruction techniques described
- Adjuvant therapies including chemotherapy and radiation to improve survival
- 5-year survival rates are improved with neoadjuvant chemotherapy and adjuvant chemoradiation compared to surgery alone.
This document discusses colorectal cancer (CRC), including its epidemiology, etiology, screening, clinical presentation, staging, prognostic factors, preoperative preparation, surgical techniques, and palliative care approaches. CRC is the third most common cause of cancer death worldwide, with higher rates in men. Risk factors include diet, obesity, smoking, and inflammatory bowel disease. Screening can detect early-stage cancers and remove pre-cancerous polyps to reduce mortality. Surgery aims to remove the primary tumor and adequate lymph nodes while preserving organ function through techniques like colectomies and anastomoses.
colorectal cancer 18 aug 22 final yr.pptxafzal mohd
Colorectal cancer is the third most common cancer worldwide. Risk factors include lifestyle, family history, and certain medical conditions. Screening is recommended starting at age 50. Surgery is the main treatment for localized cancer, with options depending on tumor location. Adjuvant therapies like chemotherapy may be given after surgery. Five-year survival rates range from over 90% for early stage to less than 10% for metastatic disease.
The document discusses carcinoma of the pancreas. It covers the anatomy, epidemiology, risk factors, genetics, screening, staging, pathologic conditions, clinical presentation, evaluation, management approaches for resectable, borderline resectable, and unresectable disease, surgical procedures including Whipple procedure and distal pancreatectomy, complications, adjuvant therapy approaches studied in trials such as ESPAC-1, and the role of chemoradiation following gemcitabine chemotherapy.
The document summarizes key anatomical and clinical aspects of the rectum:
1. The rectum is 12-15 cm long, located in the pelvis behind the lower sacrum and coccyx. It has three sections with varying peritoneal coverage and blood supply.
2. Rectal cancer is the third most common cancer in the US. Risk factors include diet, family history, and conditions like ulcerative colitis. Symptoms often include changes in bowel habits or bleeding.
3. Treatment involves surgery like low anterior resection or abdominoperineal resection. Total mesorectal excision improves outcomes by completely removing the mesorectum and reducing local recurrence rates.
This document provides a brief review of colorectal cancer including epidemiology, risk factors, clinical presentation, screening, diagnosis, and treatment options. It notes that globally, colorectal cancer is the third most commonly diagnosed cancer in males and second in females. Screening is recommended for average risk individuals beginning at age 50. Treatment typically involves surgical resection as the only curative option, and may be combined with chemotherapy or radiation therapy depending on the stage of cancer.
The document discusses carcinoma of the colon and its management. It provides details on epidemiology, risk factors, staging, diagnostic workup, surgery, adjuvant therapy including chemotherapy and radiation therapy. Surgery is the primary treatment but adjuvant therapy with chemotherapy improves survival outcomes, especially in stage III disease. Chemotherapy regimens like FOLFOX and 5-FU plus leucovorin are commonly used in the adjuvant and metastatic settings.
Colorectal cancer is the third most commonly diagnosed cancer worldwide. Risk factors include increasing age, family history, inflammatory bowel disease, lifestyle factors like obesity and smoking. Screening is recommended regularly beginning at age 50 to detect cancers early. Staging uses the TNM system and treatment depends on stage but commonly includes surgery along with chemotherapy and radiation for later stages. The document provides detailed information on epidemiology, risk factors, stages, diagnosis, treatment and screening guidelines for colorectal cancer.
1. The document discusses carcinoma of the head of the pancreas, including its epidemiology, risk factors, pathology, clinical features, imaging, staging, and surgical management via the Whipple procedure.
2. It provides details of the Whipple procedure, including exposing and dissecting key structures like the superior mesenteric vein, Kocher maneuver, dividing vessels like the gastroduodenal artery, and transecting the stomach and jejunum.
3. The Whipple procedure involves a pancreaticoduodenectomy to resect the pancreatic head tumors while preserving stomach, duodenum, common bile duct, and pancreas.
This document discusses testicular cancer, including:
- 95% of testicular cancers are germ cell tumors known as seminomas or non-seminomas.
- Risk factors include undescended testes, male infertility, and family history.
- Staging involves evaluating tumor size, lymph node involvement, and serum tumor marker levels.
- Treatment depends on cancer type and stage but may include surgery, radiation therapy, platinum-based chemotherapy, and surveillance. Outcomes are generally very good even for metastatic disease.
Gastric carcinoma is the fourth most common cancer worldwide and the second leading cause of cancer death globally. It has a poor prognosis except in areas that conduct early screening. Approximately 95% are adenocarcinomas. Risk factors include H. pylori infection, smoking, genetic factors, and precancerous lesions. Staging involves endoscopy, CT, PET, and laparoscopy. Surgery with curative intent plus perioperative chemotherapy may cure early stage tumors. Advanced or metastatic disease is treated with palliative chemotherapy, radiation or surgery.
Hepatic carcinoma, also known as hepatocellular carcinoma (HCC), is one of the most common and deadly cancers worldwide, killing over 1 million people per year. Risk factors include hepatitis B and C infections, cirrhosis, alcohol use, and aflatoxin exposure. HCC typically presents in patients with cirrhosis as an asymptomatic liver mass and is diagnosed through blood tests showing elevated AFP levels and imaging exams like ultrasound, CT, or MRI. Treatment depends on the stage but may include surgical resection, liver transplantation, ablation procedures, embolization, or chemotherapy. Long-term surveillance after treatment is important for early detection of recurrence.
Renal Cell Carcinoma Diagnosis And ManagementRHMBONCO
This document provides an overview of renal cell carcinoma (RCC), including its epidemiology, pathology, clinical presentation, evaluation and staging, prognosis, and treatment options. RCC incidence has been rising and is more common in men than women. Surgery is the main treatment for localized RCC, while targeted therapies like sorafenib and sunitinib have improved outcomes for metastatic RCC compared to previous chemotherapy options. Ongoing clinical trials are exploring adjuvant and neoadjuvant therapies to improve prognosis.
This document discusses ampullary carcinomas, including their epidemiology, clinical manifestations, diagnosis, staging, treatment, and prognosis. It provides details on: the average age of diagnosis being 60-70 years old; the most common histologic subtype being intestinal (47%); obstructive jaundice being the most common presenting symptom (80%); diagnostic tests including ERCP, CT, and tumor markers; the TNM staging system; pancreaticoduodenectomy being the standard treatment for localized disease; and adjuvant therapy options including chemotherapy and chemoradiotherapy for stage IB or higher cancers.
Similar to Hereditary Non-Polyposis Colorectal Cancer (20)
These lecture slides, by Dr Sidra Arshad, offer a quick overview of the physiological basis of a normal electrocardiogram.
Learning objectives:
1. Define an electrocardiogram (ECG) and electrocardiography
2. Describe how dipoles generated by the heart produce the waveforms of the ECG
3. Describe the components of a normal electrocardiogram of a typical bipolar lead (limb II)
4. Differentiate between intervals and segments
5. Enlist some common indications for obtaining an ECG
6. Describe the flow of current around the heart during the cardiac cycle
7. Discuss the placement and polarity of the leads of electrocardiograph
8. Describe the normal electrocardiograms recorded from the limb leads and explain the physiological basis of the different records that are obtained
9. Define mean electrical vector (axis) of the heart and give the normal range
10. Define the mean QRS vector
11. Describe the axes of leads (hexagonal reference system)
12. Comprehend the vectorial analysis of the normal ECG
13. Determine the mean electrical axis of the ventricular QRS and appreciate the mean axis deviation
14. Explain the concepts of current of injury, J point, and their significance
Study Resources:
1. Chapter 11, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 9, Human Physiology - From Cells to Systems, Lauralee Sherwood, 9th edition
3. Chapter 29, Ganong’s Review of Medical Physiology, 26th edition
4. Electrocardiogram, StatPearls - https://www.ncbi.nlm.nih.gov/books/NBK549803/
5. ECG in Medical Practice by ABM Abdullah, 4th edition
6. Chapter 3, Cardiology Explained, https://www.ncbi.nlm.nih.gov/books/NBK2214/
7. ECG Basics, http://www.nataliescasebook.com/tag/e-c-g-basics
TEST BANK For An Introduction to Brain and Behavior, 7th Edition by Bryan Kol...rightmanforbloodline
TEST BANK For An Introduction to Brain and Behavior, 7th Edition by Bryan Kolb, Ian Q. Whishaw, Verified Chapters 1 - 16, Complete Newest Versio
TEST BANK For An Introduction to Brain and Behavior, 7th Edition by Bryan Kolb, Ian Q. Whishaw, Verified Chapters 1 - 16, Complete Newest Version
TEST BANK For An Introduction to Brain and Behavior, 7th Edition by Bryan Kolb, Ian Q. Whishaw, Verified Chapters 1 - 16, Complete Newest Version
Basavarajeeyam is a Sreshta Sangraha grantha (Compiled book ), written by Neelkanta kotturu Basavaraja Virachita. It contains 25 Prakaranas, First 24 Chapters related to Rogas& 25th to Rasadravyas.
Does Over-Masturbation Contribute to Chronic Prostatitis.pptxwalterHu5
In some case, your chronic prostatitis may be related to over-masturbation. Generally, natural medicine Diuretic and Anti-inflammatory Pill can help mee get a cure.
Osteoporosis - Definition , Evaluation and Management .pdfJim Jacob Roy
Osteoporosis is an increasing cause of morbidity among the elderly.
In this document , a brief outline of osteoporosis is given , including the risk factors of osteoporosis fractures , the indications for testing bone mineral density and the management of osteoporosis
Clinic ^%[+27633867063*Abortion Pills For Sale In Tembisa Central19various
Clinic ^%[+27633867063*Abortion Pills For Sale In Tembisa Central Clinic ^%[+27633867063*Abortion Pills For Sale In Tembisa CentralClinic ^%[+27633867063*Abortion Pills For Sale In Tembisa CentralClinic ^%[+27633867063*Abortion Pills For Sale In Tembisa CentralClinic ^%[+27633867063*Abortion Pills For Sale In Tembisa Central
8 Surprising Reasons To Meditate 40 Minutes A Day That Can Change Your Life.pptxHolistified Wellness
We’re talking about Vedic Meditation, a form of meditation that has been around for at least 5,000 years. Back then, the people who lived in the Indus Valley, now known as India and Pakistan, practised meditation as a fundamental part of daily life. This knowledge that has given us yoga and Ayurveda, was known as Veda, hence the name Vedic. And though there are some written records, the practice has been passed down verbally from generation to generation.
TEST BANK For Basic and Clinical Pharmacology, 14th Edition by Bertram G. Kat...rightmanforbloodline
TEST BANK For Basic and Clinical Pharmacology, 14th Edition by Bertram G. Katzung, Verified Chapters 1 - 66, Complete Newest Version.
TEST BANK For Basic and Clinical Pharmacology, 14th Edition by Bertram G. Katzung, Verified Chapters 1 - 66, Complete Newest Version.
TEST BANK For Basic and Clinical Pharmacology, 14th Edition by Bertram G. Katzung, Verified Chapters 1 - 66, Complete Newest Version.
TEST BANK For Basic and Clinical Pharmacology, 14th Edition by Bertram G. Katzung, Verified Chapters 1 - 66, Complete Newest Version.
TEST BANK For Basic and Clinical Pharmacology, 14th Edition by Bertram G. Kat...
Hereditary Non-Polyposis Colorectal Cancer
1. The Lebanese UniversityFaculty of medical sciencesGeneral surgery training programmeThe central military hospitalgeneral surgery department Clinical case, surgical technique and review of literature. Hippocrates (460 B.C. – 377 B.C.) - The father of medicine. 20 April 2010
2. Clinical Case Attended by: Dr. Ali Khalil. Prepared by: Mohomad Chour, PGY II, general surgery. Dungeness crab (Cancer magister).
3. Case presentation 25 y old male with lower GI bleeding . HPI: rectal bleeding, alteration of bowel mvt and weight loss of 5 Kg over the last year . PMHx:neg PSHx:Hemorrhoidectomy 3 y ago FHx: - mother DMII - father colorectal cancer at age 37 treated surgically and with chemo-radiotherapy with apparent recovery.
4. Physical exam Abd: non tender, soft, no mass, no organomegaly DRE: no abnormalities Left axillary mass (fibrotic related to previous trauma)
6. Colonoscopy report(2/3/10) Anus: normal Rectum: at the rectosigmoidjuction ( 14 cm from AM) presence of a friable and infiltrating tumor, and reaching 20 cm from AM compatible with adenoca multiple bx taken . Left and transverse colon: normal Right colon: normal Cecum: normal
10. Operative report(24/3/10)… DD, modified lithotomy position, routine S&D. Pneumoperitoneum: Veress, umbilical trocar (10mm), 2 R midclavicular 5mm trocars ,PCO2 14 mmHg Evidence of an upper rectal tumor(adhesions or invasion of the posterior wall of the bladder) with narrow pelvic inlet converted to open .
11. Operative report… Midline laparotomy incision Identification of a tumor (some 6 cm in length) extending from just above the peritoneal reflection proximally. Mobilisation of the sigmoid starting laterally to proximal with minimal liberation of the splenic flexure . Identification of the left ureter. Further dissection of sigmoid and distal descending colon Identifiation of IMA ligation & section at its origin . Dissection continuing distally to the peritoneal reflection after sectioning the bowel 20 cm away from the tumor using GIA 60 .
12. Operative report Opening of the peritoneal reflection ,dissection through mesorectum around the upper and midrectum reaching almost the seminal vesicle : section using endoGIA 60. Perineal part: using CEEA 31 completing the colorectal anastomosis, checked for tightness. 1 drain Closure ,transferred to ICU .
24. Introduction. Inherited colorectal carcinoma: Hereditary non-polyposis colorectal cancer (5-7% of cases of CRC) Familial adenomatouspolyposis and attenuated FAP(1%) Familial colorectal cancer (10-15%) Peutz-Jeghers syndrome (<1%) Juvenile polyposis syndrome (<1%)
25. Introduction. Inherited colorectal carcinoma: Hereditary non-polyposis colorectal cancer (5-7% of cases of CRC) Familial adenomatouspolyposis and attenuated FAP(1%) Familial colorectal cancer (10-15%) Peutz-Jeghers syndrome (<1%) Juvenile polyposis syndrome (<1%)
26. Historical perspectives. In 1985, the chairman of pathology at the University of Michigan, Dr. Alder Warthin, recognised this syndrome. Dr. Warthin’s seamstress prophesied that she would die of cancer because of her strong family history of endometrial, gastric and colon cancer. Dr. Warthin’s investigations of her family’s medical records revealed a pattern of autosomal dominant transmission of cancer risk. Dr. Henry Lynch fully investigated this entity in the early 1990’s and 2 hereditary syndromes were described: Lynch I and Lynch II.
27. Lynch syndromes. Lynch I Cancer of the colon occurring at a relatively young age (mean, 44 years), with proximal distribution (70% of cancers located in the right colon), predominance of mucinous or poorly differentiated (signet cell) adenocarcinoma, and the presence of tumour-infiltrating and peritumoural lymphocytes increased number of synchronous and metachronous cancers despite all the these poor prognostic indicators, a relatively good outcome after surgery.
28. Lynch syndromes. Lynch II Families are at increased risk for colorectal cancer and extracolonic cancers, endometrial ovarian gastric small intestinal pancreatic ureteral renal pelvic.
29. Lynch syndromes. Before genetic mechanisms underlying the Lynch syndromes were understood, the syndromes were defined by Amsterdam Criteria that were soon modified. Further modifications have affected the criteria and the Bethesda criteria emerged. Amsterdam, the Netherlands
30. Bethesda Criteria. Modified Amsterdam Criteria At least 3 relatives with HNPCC-associated cancer (colon, endometrium, small bowel, ureter, renal pelvis) and all of the following: One affected person is a first-degree relative of the other 2 affected persons 2 successive generations affected At least one case of cancer diagnosed before age 50 years FAP excluded Bethesda Criteria The Amsterdam criteria or one of the following: 2 cases of HNPCC-associated cancer in one patient, including synchronous or metachronous cancer Colon cancer and a first-degree relative with HNPCC-associated cancer and/or colonic adenoma (one case diagnosed before age 45 years and adenoma diagnosed before 40 years) Colon or endometrial cancer diagnosed before 45 years Right-sided colon cancer that has an undifferentiated pattern (solid-cribriform) or signet-cell histopathologic features diagnosed before 45 years Adenomas diagnosed before age 40 years Lynch HT, Riley BD, Weissman SM, et al; Hereditary nonpolyposis colorectal carcinoma (HNPCC) and HNPCC-like families: problems in diagnosis, surveillance, and management. Cancer 100:53, 2004.
31. Introduction. HNPCC is inherited in an autosomal dominant fashion HNPCC accounts for 5-7% of colorectal cancers, it is the most frequent inherited CRC syndrome in the West. Results from a mutation in one of the DNA mismatch repair (MMR) genes (MLH1, MSH2, MSH6, PMS1, PMS2, MLH3, MSH3). Lynch HT, de la Chapelle A: Hereditary colorectal cancer. N Engl J Med 348:919, 2003.
32. Genetics. Only 50-70% of patients meeting clinical criteria for HNPCC have an identifiable germline MMR mutation which suggests that one or more unidentifiable genes or other genetic events (e.g., large germline deletions) may be involved that result in microsatellite instability in 80-90% of cases. 20% of newly discovered cases have a spontaneous germline mutation, with no evident family history. Lynch HT, de la Chapelle A: Hereditary colorectal cancer. N Engl J Med 348:919, 2003.
33. Clinical features. Early-onset CRC. Predominance of lesions proximal to the splenic flexure (60-70%). Benign and malignant extracolonic tumours. Predilection for synchronous and metachronous colorectal tumours. The lifetime risk of CRC in HNPCC patients is approx. 80%. A better prognosis for cancer patients with HNPCC than for non-HNPCC patients with cancer of the same stage!!!
35. Investigations. Colorectal cancer, or an HNPCC-related cancer, arising in a person < 50 years should raise the suspicion of this syndrome. The mainstay of the diagnosis of HNPCC is a detailed family history, yet 20% of newly discovered cases are caused by spontaneous germline mutations. CRC patients who belong to known HNPCC kindreds, who have a pedigree suggestive of HNPCC, or who meet the Bethesda criteria should be offered screening by MSI testing. Patients with MSI-high tumours should undergo testing for germline MMR mutations. If a mutation is identified then other family members can be tested after obtaining genetic counselling. Lynch HT, de la Chapelle A: Hereditary colorectal cancer. N Engl J Med 348:919, 2003.
36. Screening and surveillance. If a family member has tested negative for a specific MMR mutation identified in an index case => an average risk subject. If no genetic counselling, or positive for a given MMR mutation => screening recommendation as follows:
37. Management.Surgical therapy: When? What? Who? Prophylactic surgical intervention is considered for the following reasons: 80% lifetime risk of developing CRC 45% rate of metachronous tumours The possibility of an accelerated adenoma-carcinoma sequence. Candidates are HNPCC patients as defined by: their genotype Amsterdam or Bethesda criteria colon cancer and more than one advanced adenoma. Options include: Prophylactic total abdominal colectomy with ileo-rectal anastomosis Total proctocolectomy with ileal pouch-anal anastomosis (restorative proctocolectomy) Segmental colectomy with yearly colonoscopy.
38. Prophylactic surgical intervention.Mutation-positive patients with a normal colorectum? Normal rectal reservoir function Normal anal sphincter function A survival benefit of 1.8 years evident if performed at age 25 years. No survival benefit if performed at time of cancer development. 1- to 3-yearly colonoscopy, optimal < 2 year surveillance intervals. Quality of life benefit. Total abdominal colectomy with ileo-rectal anastomosis Colonoscopic surveillance Factors affecting the decision: Penetrance of disease in family The age of cancer onset in family members Functional and QoL considerations Likelihood of patient compliance to surveillance.
39. Management.Surgical therapy A coronal view of the anal canal and rectum. Rectosigmoid junction 10-12 cm The upper limit of the surgical anal canal. The pelvic floor. 8 cm The upper limit of the anatomical anal canal. (Dentate line). 4-5 cm 2-3 cm
40. Management.Surgical therapy Total abdominal colectomy with ileo-rectal anastomosis. This option is open only to patients with: Normal rectal reservoir function Normal anal sphincter function No evidence of rectal involvement. Lifelong surveillance is necessary because: the risk of developing a metachronous rectal cancer is 12 % at 10-12 years after the operation this risk is evidently less than among patients who have undergone segmental colectomy. Lynch HT, Lynch JF, Fitzgibbons R Jr: Role of prophylactic colectomy in Lynch syndrome. Clin Colorectal Cancer 3:99, 2003.
42. Management.Surgical therapy Total proctocolectomy with ileal pouch-anal anastomosis (Restorative proctocolectomy). Indicated in patients with rectal cancer that is amenable to sphincter-preserving resection. The risk of developing a metachronous lesion in the remaining colon with an index rectal cancer in HNPCC patients is 17-45% at 10-12 years. The patient’s will to undergo extensive surveillance and concern on bowel function is decisive. Lynch HT, Lynch JF, Fitzgibbons R Jr: Role of prophylactic colectomy in Lynch syndrome. Clin Colorectal Cancer 3:99, 2003.
43. Management.Surgical therapy Total proctocolectomy with ileal pouch-anal anastomosis (Restorative proctocolectomy). A -> L: Total proctocolectomy.
44. Management.Surgical therapy Segmental colectomy with yearly colonoscopic surveillance. This option is the standard of care in terms of quality of life and preserved bowel function. The need for extensive surveillance on a one-yearly basis cannot be overemphasised. An accelerated adenoma-carcinoma sequence and microsatellite instability may lead cancers to develop in less than one-year intervals. Lynch HT, Lynch JF, Fitzgibbons R Jr: Role of prophylactic colectomy in Lynch syndrome. Clin Colorectal Cancer 3:99, 2003.
45. Management.Extracolonic disease. Endometrial and ovarian cancer. Female patients with a family history of uterine cancer should be offered prophylactic total abdominal hysterectomy + oophorectomy (TAHBSO) if childbearing is complete or if undergoing abdominal surgery for other conditions. 43% rate of endometrial cancer in mutation-positive patients. Inefficacy of screening for uterine cancers. The optimal timing is unclear yet cases < 35 years have been reported. Recommendation: begin surveillance at 25 years and delay prophylactic surgery until childbearing is complete. Lynch HT, Riley BD, Weissman SM, et al; Hereditary nonpolyposis colorectal carcinoma (HNPCC) and HNPCC-like families: problems in diagnosis, surveillance, and management. Cancer 100:53, 2004.
46. Inherited colorectal carcinoma. Hereditary non-polyposis colorectal cancer (5-7% of cases of CRC) Familial adenomatouspolyposis and attenuated FAP(1%) Familial colorectal cancer (10-15%) Peutz-Jeghers syndrome (<1%) Juvenile polyposis syndrome (<1%)
47. Inherited colorectal carcinoma. Hereditary non-polyposis colorectal cancer (5-7% of cases of CRC) Familial adenomatouspolyposis and attenuated FAP(1%) Familial colorectal cancer (10-15%) Peutz-Jeghers syndrome (<1%) Juvenile polyposis syndrome (<1%)
48. Familial colorectal cancer. Non-syndromic familial colorectal cancer accounts for 10-15% of CRC cases. The lifetime risk of developing CRC increases with a family history of the disease and the age of onset in family. Average risk in USA: 6% If one first-degree relative affected: 12% If two first-degree relatives affected: 35% Screening colonoscopy is recommended every 5 years beginning at age 40 years or 10 years earlier than the index case. No specific genetic abnormalities are associated with familial CRC.
49. The take-home message. Every patient presenting with a malignant tumor involving the colon, rectum, stomach, uterus, ovaries, renal pelvis or ureters under the age of 50 years is to be screened or at least counseled for a possible inherited carcinoma syndrome. He/she and their first-degree relatives are to be counseled appropriately with the aid of a geneticist, if possible.
50. “There is a tremendous literature on cancer, but what we know for sure about it can be printed on a calling card.” - August Bier (Ger., 1861-1949). Thank you.