Hereditary disorder of keratinization characterized by expanding atrophic anular patch(es) surrounded by prominent keratotic ridge called the cornoid lamella
Lichenoid Dermatoses, Characteristics of Lichenoid Dermatoses, What are the Major Lichenoid Dermatoses, Lichen planus (LP), Introduction of LP, Epidemiology of LP, Etiology of LP, Pathogenesis of LP, Clinical Features & Clinical variants of LP, Histopathology of LP, Immunohistochemistry of LP, Differential Diagnosis of LP, Treatment of LP
Heterogeneous group of disorders characterized by; abnormal clonal expansion & accumulation of mast cells in the skin &/or other organs (e.g. bone marrow, LN, GIT, liver, spleen)
Hereditary disorder of keratinization characterized by expanding atrophic anular patch(es) surrounded by prominent keratotic ridge called the cornoid lamella
Lichenoid Dermatoses, Characteristics of Lichenoid Dermatoses, What are the Major Lichenoid Dermatoses, Lichen planus (LP), Introduction of LP, Epidemiology of LP, Etiology of LP, Pathogenesis of LP, Clinical Features & Clinical variants of LP, Histopathology of LP, Immunohistochemistry of LP, Differential Diagnosis of LP, Treatment of LP
Heterogeneous group of disorders characterized by; abnormal clonal expansion & accumulation of mast cells in the skin &/or other organs (e.g. bone marrow, LN, GIT, liver, spleen)
A comprehensive review of Cutaneous Lymphomas - both B-Cell and T-Cell with latest treatment strategies. Target audience are oncologists, dermatologists, oncology physicians, dermatology and oncology fellows
various cutaneous lymphomas though having low incidence but need to be diagnosed accurately. they can be mimiced by many non neoplastic conditions of skin. so discussing both T and B cell lymphomas
Actinic keratoses: Erythematous scaly lesions on sun-damaged skin & considered “precancerous” lesions that have the potential to progress into invasive SCC.
Bowen’s disease: SCC in situ It has the potential to progress to invasive SCC.
Leukoplakia: Leukoplakia refers to a white patch or plaque on the oral mucosa that cannot be wiped off and cannot be characterized clinically or pathologically as any other disease.
Pattern of B and T cell infiltration
Define Cutaneous pseudolymphoma
Classification
Subtypes
Important entities with clinico-pathological features
Differential features from morphologically similar lesions
Pseudoclonality
DARIER’S DISEASE, Keratosis folliculiris, rare genetic disorder that is manifested predominantly by skin changes, due to ATP2A2 mutation, The histology is characteristic, known as focal acantholytic dyskeratosis associated with varying degrees of papillomatosis
Subspecialty of dermatology and pathology focused on performing and interpreting tests on human tissue samples to provide scientific data and consultative opinions to referring clinicians
subcorneal
intraepidermal
subepidermal
pemphigus
nikolski's sign
pemphigus foliaceous
pemphigus vulgaris
pseudonikolski's sign
revision notes for dermatology based on lecture notes and high yield topic
based on previous year question
made as a part of residency programme in dermatology. includes latest classification.includes staining characteristics. good for revision. made from contents from Rooks and Bolognia
This is a PowerPoint presentation of DIF in Dermatology and its clinical importance. This PPT is made by Dr. Jerriton Brewin, 1st year PG in DVL at SVMCH, Pondy.
A comprehensive review of Cutaneous Lymphomas - both B-Cell and T-Cell with latest treatment strategies. Target audience are oncologists, dermatologists, oncology physicians, dermatology and oncology fellows
various cutaneous lymphomas though having low incidence but need to be diagnosed accurately. they can be mimiced by many non neoplastic conditions of skin. so discussing both T and B cell lymphomas
Actinic keratoses: Erythematous scaly lesions on sun-damaged skin & considered “precancerous” lesions that have the potential to progress into invasive SCC.
Bowen’s disease: SCC in situ It has the potential to progress to invasive SCC.
Leukoplakia: Leukoplakia refers to a white patch or plaque on the oral mucosa that cannot be wiped off and cannot be characterized clinically or pathologically as any other disease.
Pattern of B and T cell infiltration
Define Cutaneous pseudolymphoma
Classification
Subtypes
Important entities with clinico-pathological features
Differential features from morphologically similar lesions
Pseudoclonality
DARIER’S DISEASE, Keratosis folliculiris, rare genetic disorder that is manifested predominantly by skin changes, due to ATP2A2 mutation, The histology is characteristic, known as focal acantholytic dyskeratosis associated with varying degrees of papillomatosis
Subspecialty of dermatology and pathology focused on performing and interpreting tests on human tissue samples to provide scientific data and consultative opinions to referring clinicians
subcorneal
intraepidermal
subepidermal
pemphigus
nikolski's sign
pemphigus foliaceous
pemphigus vulgaris
pseudonikolski's sign
revision notes for dermatology based on lecture notes and high yield topic
based on previous year question
made as a part of residency programme in dermatology. includes latest classification.includes staining characteristics. good for revision. made from contents from Rooks and Bolognia
This is a PowerPoint presentation of DIF in Dermatology and its clinical importance. This PPT is made by Dr. Jerriton Brewin, 1st year PG in DVL at SVMCH, Pondy.
The major forms of dermatitis include
Atopic,
Contact
Seborrheic,
Asteatotic (xerotic),
Stasis,
Disseminated Eczema (Autosensitization)
Nummular. (Discoid)
Pompholyx
Urticaria is characterized by WEALS (hives) or ANGIOEDEMA (swellings, in 10%) or both (in 40%). There are several types of urticaria
Spontaneous urticaria
Acute spontaneous urticaria Spontaneous wheals and/or angioedema <6 />6 wk
Urticarias induced by physical agents
dermographic urticaria Eliciting factor: mechanical shearing forces (wheals arising after 1–5 min)
Cold contact urticaria Eliciting factor: cold objects/air/fluids/wind
Solar urticaria Eliciting factor: UV and/or visible light
Delayed pressure urticaria Eliciting factor: vertical pressure (wheals arising with a 3–12 h latency)
Heat contact urticaria Eliciting factor: localized heat Hot water bottle Hot drink
Vibratory urticaria/angioedema Eliciting factor: vibratory forces, e.g. pneumatic hammer/Jack hammer
Other inducible urticarias
Contact urticaria Elicitation by contact with urticariogenic substance
Aquagenic urticaria Eliciting factor: water
Cholinergic urticaria Elicitation by increase of body core temperature due to physical exercises, spicy food, stress
Exercise-induced anaphylaxis/urticaria Eliciting factor: physical exercise
Introduction, Principle, Instrumentation and Applications of SDS-PAGEMohammed Mubeen
The following presentation contains helpful information regarding SDS-PAGE, including the history, introduction, principle, instrumentation, advantages and applications of SDS-PAGE.
Vitiligo is an acquired pigmentary disorder of the skin and mucous membranes characterized by circumscribed depigmented macules and patches that result from a progressive loss of functional melanocytes that are selectively destroyed.
Androgenetic alopecia (AGA), also referred to as male-pattern hair loss or common baldness in men and as female-pattern hair loss in women is the most common hair loss disorder
Acne vulgaris is a common chronic skin disease involving blockage and/or inflammation of pilosebaceous units
Acne can present as noninflammatory lesions, inflammatory lesions, or a mixture of both,
affecting mostly the FACE but also the back and chest.
There are several dermatoses that occur during pregnancy or immediately postpartum, in particular polymorphic eruption of pregnancy, pemphigoid gestationis, and atopic eruption of pregnancy. Pruritus due to intrahepatic cholestasis of pregnancy leads to nonspecific skin lesions, including excoriations due to scratching.
Impetigo herpetiformis simply represents pustular psoriasis occurring during pregnancy, and this may be related to the relative hypocalcemia of pregnancy. Lastly, there are physiologic changes that occur during pregnancy.
ABNORMAL REDNESS of the skin resulting from dilation of blood vessels that is Blanch on pressure or Diascopy
Erythema Multiforme, Stevens Johnson Syndrome, and Toxic Epidermal Necrolysis
Figurate Erythemas
The major forms of dermatitis include
Atopic,
Contact
Seborrheic,
Asteatotic (xerotic),
Stasis,
Disseminated Eczema (Autosensitization)
Nummular. (Discoid)
Pompholyx
Insects Bites & Stings: can be divided into 2 groups venomous insect such as a bee or wasp, which uses this as a defense mechanism by injecting toxic and painful venom through its stinger.
Non-venomous insect bites pierce the skin to feed on blood. This usually results in intense itching.
Papular Urticaria:
common disorder manifested by chronic or recurrent papules caused by a HYPERSENSITIVITY REACTION to the bites of mosquitoes, fleas, bedbugs, and other insects
Major infestations in human; Scabies & Pediculosis
Human scabies is a pruritic condition caused by infestation with the host-specific mite Sarcoptes scabiei var. hominis
Lice are blood-sucking ectoparasites that inject saliva => allergic reaction & pruritus
Rare inherited skin disorder due to defective repair of DNA
characterized by; photosensitivity, pigmentary changes, premature skin aging, early malignant tumor development
TSC is neurocutaneous hereditary disorder either AD or sporadic characterized by multiple hamartomatous growths affecting skin, brain, heart, lung & kidney
They are a heterogenous group of inherited disorders of epidermal differentiation featuring excessive scaling, Ichthyosis vulgaris,
X-linked recessive ichthyosis,
Lamellar ichthyosis,
Non-bullous ichthyosiform erythroderma,
Bullous ichthyosiform erythroderma,
Ichthyosis bullosa of Siemens,
Harlequin ichthyosis
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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
These simplified slides by Dr. Sidra Arshad present an overview of the non-respiratory functions of the respiratory tract.
Learning objectives:
1. Enlist the non-respiratory functions of the respiratory tract
2. Briefly explain how these functions are carried out
3. Discuss the significance of dead space
4. Differentiate between minute ventilation and alveolar ventilation
5. Describe the cough and sneeze reflexes
Study Resources:
1. Chapter 39, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 34, Ganong’s Review of Medical Physiology, 26th edition
3. Chapter 17, Human Physiology by Lauralee Sherwood, 9th edition
4. Non-respiratory functions of the lungs https://academic.oup.com/bjaed/article/13/3/98/278874
Flu Vaccine Alert in Bangalore Karnatakaaddon Scans
As flu season approaches, health officials in Bangalore, Karnataka, are urging residents to get their flu vaccinations. The seasonal flu, while common, can lead to severe health complications, particularly for vulnerable populations such as young children, the elderly, and those with underlying health conditions.
Dr. Vidisha Kumari, a leading epidemiologist in Bangalore, emphasizes the importance of getting vaccinated. "The flu vaccine is our best defense against the influenza virus. It not only protects individuals but also helps prevent the spread of the virus in our communities," he says.
This year, the flu season is expected to coincide with a potential increase in other respiratory illnesses. The Karnataka Health Department has launched an awareness campaign highlighting the significance of flu vaccinations. They have set up multiple vaccination centers across Bangalore, making it convenient for residents to receive their shots.
To encourage widespread vaccination, the government is also collaborating with local schools, workplaces, and community centers to facilitate vaccination drives. Special attention is being given to ensuring that the vaccine is accessible to all, including marginalized communities who may have limited access to healthcare.
Residents are reminded that the flu vaccine is safe and effective. Common side effects are mild and may include soreness at the injection site, mild fever, or muscle aches. These side effects are generally short-lived and far less severe than the flu itself.
Healthcare providers are also stressing the importance of continuing COVID-19 precautions. Wearing masks, practicing good hand hygiene, and maintaining social distancing are still crucial, especially in crowded places.
Protect yourself and your loved ones by getting vaccinated. Together, we can help keep Bangalore healthy and safe this flu season. For more information on vaccination centers and schedules, residents can visit the Karnataka Health Department’s official website or follow their social media pages.
Stay informed, stay safe, and get your flu shot today!
New Drug Discovery and Development .....NEHA GUPTA
The "New Drug Discovery and Development" process involves the identification, design, testing, and manufacturing of novel pharmaceutical compounds with the aim of introducing new and improved treatments for various medical conditions. This comprehensive endeavor encompasses various stages, including target identification, preclinical studies, clinical trials, regulatory approval, and post-market surveillance. It involves multidisciplinary collaboration among scientists, researchers, clinicians, regulatory experts, and pharmaceutical companies to bring innovative therapies to market and address unmet medical needs.
These lecture slides, by Dr Sidra Arshad, offer a quick overview of 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 leads (limb II)
4. Differentiate between intervals and segments
5. Enlist some common indications for obtaining an ECG
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. ECG Basics, http://www.nataliescasebook.com/tag/e-c-g-basics
Report Back from SGO 2024: What’s the Latest in Cervical Cancer?bkling
Are you curious about what’s new in cervical cancer research or unsure what the findings mean? Join Dr. Emily Ko, a gynecologic oncologist at Penn Medicine, to learn about the latest updates from the Society of Gynecologic Oncology (SGO) 2024 Annual Meeting on Women’s Cancer. Dr. Ko will discuss what the research presented at the conference means for you and answer your questions about the new developments.
Ethanol (CH3CH2OH), or beverage alcohol, is a two-carbon alcohol
that is rapidly distributed in the body and brain. Ethanol alters many
neurochemical systems and has rewarding and addictive properties. It
is the oldest recreational drug and likely contributes to more morbidity,
mortality, and public health costs than all illicit drugs combined. The
5th edition of the Diagnostic and Statistical Manual of Mental Disorders
(DSM-5) integrates alcohol abuse and alcohol dependence into a single
disorder called alcohol use disorder (AUD), with mild, moderate,
and severe subclassifications (American Psychiatric Association, 2013).
In the DSM-5, all types of substance abuse and dependence have been
combined into a single substance use disorder (SUD) on a continuum
from mild to severe. A diagnosis of AUD requires that at least two of
the 11 DSM-5 behaviors be present within a 12-month period (mild
AUD: 2–3 criteria; moderate AUD: 4–5 criteria; severe AUD: 6–11 criteria).
The four main behavioral effects of AUD are impaired control over
drinking, negative social consequences, risky use, and altered physiological
effects (tolerance, withdrawal). This chapter presents an overview
of the prevalence and harmful consequences of AUD in the U.S.,
the systemic nature of the disease, neurocircuitry and stages of AUD,
comorbidities, fetal alcohol spectrum disorders, genetic risk factors, and
pharmacotherapies for AUD.
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.
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