All specialties videos
Sarcoidosis In Brain And Cerebellum
Find some granulomas in this cerebellum. Which pathology is in this cerebellum present? Non caseating granulomas which have negative staining for Tuberculosis and fungi are often diagnosed as sarcoid.
Adrenal Gland - Polyarteritis
Which arteries are involved? Which of three vascular layers is inflammed - intima, media, adventitia, or all? Why is this called "fibrinoid"? Is this necrotic fibrinoid area also hyalined?
Amyloidosis At Adrenal Gland
Which microscopically is hyaline material? List example. Belong amyloid to type of hyaline? What staining and microscopic technique is usually useful in amyloid diagnostic? What is chemical structure...
Adrenal Insufficiency - Primary Chronic Adrenal...
Which is the difference this adrenal cortex from normal? Can you notice the three patterns of cortical differentiation - glomerulosa, fasciculata and reticulata? Is this cortex gage thinner than normal?...
Spleen - Acute Infarct
Why is this called a white, or pale, or anemic infarct, rather than red or hemorrhagic?
Small Intestine - Edema
Define edema in terms of water transfer between water compartmental spaces. Name some common causes of localized and systemic edema? Which of the 4 GI tract layers does water appear to be the most abundant...
Skin - Dry Gangrene
What is the difference in gross appearance, microscopic appearance, and time sequence of wet and dry gangrene? Which one is acute? Find ulceration. Find coagulation necrosis, find a thrombus. Is gangrene...
Prostate - Blood Vessels - Organizing Thrombi
Find thrombi. Are the arterial or venous? What is the periprostatic venous plexus?
Popliteal Vein- Thrombosis
Are the terms thrombophlebitis and phlebothrombosis often used interchangeably? What percentage of this looks like it's made of fibrin?
Nose - Nasal Polyp
What is a definition of a polyp in any area? It is a true neoplasm? Which part of the nose do nasal polyps occur in? (trick question) Would you expect this to look very watery grossly?
Lung - tumor Emboli
Which 2 organs are the most common sites of distant metastases from any malignancy? Which is the most common? If any tumor can be seen invading a vein, which organ is likely involved with metastases?
Lung - Thromboembolus (Thromboembolism)
Find it. Does a clot in a pulmonary artery usually come from somewhere else? Does a portion of a lung with a pulmonary embolism still ventilate, although it does not perfuse? What is a V/Q mismatch?
Lung - Recent Infarct
Why are true lung infarcts rather uncommon even with completely occluded pulmonary arteries? Are most recent lung infarcts hemorrhagic (red) rather than pale (white, or anemic)? Why? Does a portion of...
Lung - Chronic Pulmonary Congestion
What is a heart failure cell? Why is it called that? Find some? What is it filled with? Is this acute or chronic congestion? Why?
Lung - Acute Pulmonary Edema - Asbestos Bodies
Find an asbestos body inside a multinucleated giant cell. What color is it? What is it shaped like? Would this stain positive using the Prussian blue iron stain? Might that be the reason that it is also...
Users
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Michael Hawke
Professor
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Gottumukkala Raju
Professor
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Ashley Mark
MD
Channels
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Gastroenterology Atlas
medical institution
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SAGES - Society of American Gastrointestinal and Endoscopic Surgeons
medical institution
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High Impact - Medical Animation
medical institution
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Orthopaedic Academy
medical institution
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World Health Summit
commercial institution
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