Testicular tumors are most common in men aged 18-35. The main risk factors include cryptorchidism and family history. Seminoma is the most common type, making up about 50% of germ cell tumors. Ultrasound is an important tool for evaluation, with solid and intra-testicular masses more likely to be malignant. Features on ultrasound can help distinguish between tumor types, such as seminomas appearing homogeneous and hypoechoic without calcification, while non-seminomatous germ cell tumors tend to be heterogeneous with cystic areas and calcification. MRI can also help characterize tumors based on signal characteristics and enhancement patterns.
Presentation about the the second most common type of ovarian tumors which have a very unique property of being similar to the testicular germ cell tumors.
Presentation about the the second most common type of ovarian tumors which have a very unique property of being similar to the testicular germ cell tumors.
TESTICULAR TUMOURS
PREVALANCE
99% of testicular tumours are malignant.
Life time prevalence of getting testicular tumour is 0.2%.
Very common in Scandinavia; least common inAfrica andAsia.
4 times common in whites than blacks.
Pathology of the Thyroid Gland
it includes disease spectrums like
1.Congenital diseases
2.Inflammation
3.Functional abnormality
4.Diffuse and Multinodular goiters
5.Neoplasia
Detailed Description about soft tissue sarcoma.
Deals with topics including etiology, histopathology,clinical presentation ,staging and prognostic factors and management methods including surgery and adjuvent therapy .
Soft tissue sarcomas are a heterogeneous group of malignant tumours derived from primitive mesenchymal cells.
They are aggressive tumours which are locally invasive and recurrent.
They are named based on the cell of origin .
They require multimodal treatment including surgery and certain adjuvent therapies
Tom Selleck Health: A Comprehensive Look at the Iconic Actor’s Wellness Journeygreendigital
Tom Selleck, an enduring figure in Hollywood. has captivated audiences for decades with his rugged charm, iconic moustache. and memorable roles in television and film. From his breakout role as Thomas Magnum in Magnum P.I. to his current portrayal of Frank Reagan in Blue Bloods. Selleck's career has spanned over 50 years. But beyond his professional achievements. fans have often been curious about Tom Selleck Health. especially as he has aged in the public eye.
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Introduction
Many have been interested in Tom Selleck health. not only because of his enduring presence on screen but also because of the challenges. and lifestyle choices he has faced and made over the years. This article delves into the various aspects of Tom Selleck health. exploring his fitness regimen, diet, mental health. and the challenges he has encountered as he ages. We'll look at how he maintains his well-being. the health issues he has faced, and his approach to ageing .
Early Life and Career
Childhood and Athletic Beginnings
Tom Selleck was born on January 29, 1945, in Detroit, Michigan, and grew up in Sherman Oaks, California. From an early age, he was involved in sports, particularly basketball. which played a significant role in his physical development. His athletic pursuits continued into college. where he attended the University of Southern California (USC) on a basketball scholarship. This early involvement in sports laid a strong foundation for his physical health and disciplined lifestyle.
Transition to Acting
Selleck's transition from an athlete to an actor came with its physical demands. His first significant role in "Magnum P.I." required him to perform various stunts and maintain a fit appearance. This role, which he played from 1980 to 1988. necessitated a rigorous fitness routine to meet the show's demands. setting the stage for his long-term commitment to health and wellness.
Fitness Regimen
Workout Routine
Tom Selleck health and fitness regimen has evolved. adapting to his changing roles and age. During his "Magnum, P.I." days. Selleck's workouts were intense and focused on building and maintaining muscle mass. His routine included weightlifting, cardiovascular exercises. and specific training for the stunts he performed on the show.
Selleck adjusted his fitness routine as he aged to suit his body's needs. Today, his workouts focus on maintaining flexibility, strength, and cardiovascular health. He incorporates low-impact exercises such as swimming, walking, and light weightlifting. This balanced approach helps him stay fit without putting undue strain on his joints and muscles.
Importance of Flexibility and Mobility
In recent years, Selleck has emphasized the importance of flexibility and mobility in his fitness regimen. Understanding the natural decline in muscle mass and joint flexibility with age. he includes stretching and yoga in his routine. These practices help prevent injuries, improve posture, and maintain mobilit
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Ve...kevinkariuki227
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Verified Chapters 1 - 19, Complete Newest Version.pdf
TEST BANK for Operations Management, 14th Edition by William J. Stevenson, Verified Chapters 1 - 19, Complete Newest Version.pdf
Title: Sense of Smell
Presenter: Dr. Faiza, Assistant Professor of Physiology
Qualifications:
MBBS (Best Graduate, AIMC Lahore)
FCPS Physiology
ICMT, CHPE, DHPE (STMU)
MPH (GC University, Faisalabad)
MBA (Virtual University of Pakistan)
Learning Objectives:
Describe the primary categories of smells and the concept of odor blindness.
Explain the structure and location of the olfactory membrane and mucosa, including the types and roles of cells involved in olfaction.
Describe the pathway and mechanisms of olfactory signal transmission from the olfactory receptors to the brain.
Illustrate the biochemical cascade triggered by odorant binding to olfactory receptors, including the role of G-proteins and second messengers in generating an action potential.
Identify different types of olfactory disorders such as anosmia, hyposmia, hyperosmia, and dysosmia, including their potential causes.
Key Topics:
Olfactory Genes:
3% of the human genome accounts for olfactory genes.
400 genes for odorant receptors.
Olfactory Membrane:
Located in the superior part of the nasal cavity.
Medially: Folds downward along the superior septum.
Laterally: Folds over the superior turbinate and upper surface of the middle turbinate.
Total surface area: 5-10 square centimeters.
Olfactory Mucosa:
Olfactory Cells: Bipolar nerve cells derived from the CNS (100 million), with 4-25 olfactory cilia per cell.
Sustentacular Cells: Produce mucus and maintain ionic and molecular environment.
Basal Cells: Replace worn-out olfactory cells with an average lifespan of 1-2 months.
Bowman’s Gland: Secretes mucus.
Stimulation of Olfactory Cells:
Odorant dissolves in mucus and attaches to receptors on olfactory cilia.
Involves a cascade effect through G-proteins and second messengers, leading to depolarization and action potential generation in the olfactory nerve.
Quality of a Good Odorant:
Small (3-20 Carbon atoms), volatile, water-soluble, and lipid-soluble.
Facilitated by odorant-binding proteins in mucus.
Membrane Potential and Action Potential:
Resting membrane potential: -55mV.
Action potential frequency in the olfactory nerve increases with odorant strength.
Adaptation Towards the Sense of Smell:
Rapid adaptation within the first second, with further slow adaptation.
Psychological adaptation greater than receptor adaptation, involving feedback inhibition from the central nervous system.
Primary Sensations of Smell:
Camphoraceous, Musky, Floral, Pepperminty, Ethereal, Pungent, Putrid.
Odor Detection Threshold:
Examples: Hydrogen sulfide (0.0005 ppm), Methyl-mercaptan (0.002 ppm).
Some toxic substances are odorless at lethal concentrations.
Characteristics of Smell:
Odor blindness for single substances due to lack of appropriate receptor protein.
Behavioral and emotional influences of smell.
Transmission of Olfactory Signals:
From olfactory cells to glomeruli in the olfactory bulb, involving lateral inhibition.
Primitive, less old, and new olfactory systems with different path
Explore natural remedies for syphilis treatment in Singapore. Discover alternative therapies, herbal remedies, and lifestyle changes that may complement conventional treatments. Learn about holistic approaches to managing syphilis symptoms and supporting overall health.
New Directions in Targeted Therapeutic Approaches for Older Adults With Mantl...i3 Health
i3 Health is pleased to make the speaker slides from this activity available for use as a non-accredited self-study or teaching resource.
This slide deck presented by Dr. Kami Maddocks, Professor-Clinical in the Division of Hematology and
Associate Division Director for Ambulatory Operations
The Ohio State University Comprehensive Cancer Center, will provide insight into new directions in targeted therapeutic approaches for older adults with mantle cell lymphoma.
STATEMENT OF NEED
Mantle cell lymphoma (MCL) is a rare, aggressive B-cell non-Hodgkin lymphoma (NHL) accounting for 5% to 7% of all lymphomas. Its prognosis ranges from indolent disease that does not require treatment for years to very aggressive disease, which is associated with poor survival (Silkenstedt et al, 2021). Typically, MCL is diagnosed at advanced stage and in older patients who cannot tolerate intensive therapy (NCCN, 2022). Although recent advances have slightly increased remission rates, recurrence and relapse remain very common, leading to a median overall survival between 3 and 6 years (LLS, 2021). Though there are several effective options, progress is still needed towards establishing an accepted frontline approach for MCL (Castellino et al, 2022). Treatment selection and management of MCL are complicated by the heterogeneity of prognosis, advanced age and comorbidities of patients, and lack of an established standard approach for treatment, making it vital that clinicians be familiar with the latest research and advances in this area. In this activity chaired by Michael Wang, MD, Professor in the Department of Lymphoma & Myeloma at MD Anderson Cancer Center, expert faculty will discuss prognostic factors informing treatment, the promising results of recent trials in new therapeutic approaches, and the implications of treatment resistance in therapeutic selection for MCL.
Target Audience
Hematology/oncology fellows, attending faculty, and other health care professionals involved in the treatment of patients with mantle cell lymphoma (MCL).
Learning Objectives
1.) Identify clinical and biological prognostic factors that can guide treatment decision making for older adults with MCL
2.) Evaluate emerging data on targeted therapeutic approaches for treatment-naive and relapsed/refractory MCL and their applicability to older adults
3.) Assess mechanisms of resistance to targeted therapies for MCL and their implications for treatment selection
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2. Overview
• Risk factor: Crypto-orchidism, infertility, FHx
• Seminoma is most common
• Majority cases: 18-35yrs
• P/c: Painless, testicular swelling.
• In a 2014 statistics: of 8820 new cases, 380
will die.
3. Background
• Originate in the lumbar; descends downwards.
• 97% male born with testes in scrotum at birth.
– Most undescended move into scrotum by 3month
• Adult testis measures ~3x3x5cm
• Testicular artery originates from aorta; right
vein into IVC and left vein into left renal vein.
4. Classification
• Young pt: 95% is germ cell, 5% sex-cord
stroma.
– Germ cell: 50% are seminomas, 50% NSGCT
– Sex cord stroma: Leydig cell, Sertoli, thecomas
• Older pt (>60): Lymphoma (esp NHL) is most
common.
5. Ultrasound
• Intra-testicular vs Extra-testicular
– Intra likely malignant
• Solid vs Cystic
– Solid more likely malignant
• Internal vascularity
• Microlithiasis
– Calcification in seminiferous tubules
• US has 92% sensitivity and 95% specificity in the right
clinical setting
• Certain features more common with certain tumor
6. The issue with Microlithiasis
• Loosely a/w tumour
• Classic microlithiasis - >5/image
• ˜5% of normal patient
• However, higher rate of malignancy in patient
with classic microlithiasis
7.
8. Features
• Seminoma: Homogenous, hypoechoic w/out
calcification or cystic area
• NSGCT: Heterogeneous (cystic area) with
calcification
• Mixed germ cell: May involute aka “burned-
out”; outstrips blood supply then regress in
size
• Lymphoma: Diffusely hypoechoic with focal
mass with vascularity within
13. Non-tumorous Lesion
• Infarction: Heterogeneous hypoechoic with
lack of internal flow within (avascular)
• Hematoma: Ill-defined hypoechoic areas with
lack of flow within the areas, shows resolution
over 2-4wks
• Infection: Increased color flow, shows
resolution over 2-4wks
17. • Epidermoid cyst: Well-defined hypoechoic
intratesticular mass with “onion ring”
appearance – concentric layers. No vascularity.
18.
19. MRI
• Seminoma: Homogenous signal
• Mixed germ cell: Heterogeneous signal
• Teratoma: Bulk fat with signal loss on fat
saturated images
• Malignant: Enhancement with washed out
pattern
• Benign: Continuous enhancement which plateaus
off
