All specialties videos

Central Passive Congestion And Centrilobular...

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Which part of the liver lobule becomes damaged first in oxygen/flow related injuries? (centrilobular or periportal) Which part of the liver lobule becomes damaged first in toxic related injuries? (centrilobular...

Liver - Cirrhosis 1

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5

What TWO features are ALWAYS needed to diagnose all types cirrhosis? Demonstrate each one.

Acute And Chronic Cholangitis

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Which parts of the cut sections of the liver show the inflammatory changes? What is the usual cause of cholangitis? Why might this be called acute and chronic from a histopathological point of view?...

Diffuse Cortical Necrosis

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Draw a line between the necrotic cortex and the more viable appearing medulla. On which side of that line can nuclei be discerned more easily? Why?

Acute Tubular Necrosis

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Show, in any way, shape, or form, a necrotic tubule. Name two or three most common causes of ATN.

Interstitial Nephritis

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What is the interstitium of the kidney? Why might the term thyroidization be described here as an adjective? Demonstrate it. Demonstrate a tubule with coagulation necrosis.

Diabetic Glomerulosclerosis

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Even if you didn't know anything at all about diabetes, and also had contempt for esoteric words like Kimmelsteil-Wilson, simply name some ways this kidney differs from all the normal kidneys you have...

Arteriolosclerosis (Hypertension) And Hydropic...

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Demonstrate tubules with hydropic change. What is hydropic change? Is hydropic change a NON-specific finding in many diseases?

Myocardial Infarction - Recent

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5

Demonstrate granulation tissue. What is granulation tissue? Can the term granulation tissue be used, more or less, interchangeably, with the term organizing inflammation?

Myocardial Infarct - Remote

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Draw a line separating the fibrosis (scar) from the normal cardiac muscle tissue. How might one differentiate scar (fibrosis), from coagulation necrosis, from normal cardiac muscle (in words)?

Myocardial Infarct

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5

Demonstrate the coagulation necrosis. Demonstrate the neutrophilic infiltrates (i.e., acute inflammatory infiltrate)

Acute Fibrinous Pericarditis

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Demonstrate the fibrin. Is it limited to the pericardial layer? What are some common causes of acute pericarditis?

Bacterial Pericarditis

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In all honesty, can this be grossly or microscopically differentiated from a NON-bacterial pericarditis? Do you feel confident enough to identify bacteria on this type of stain? If so, demonstrate some....

Acute Fibrinous Pericarditis

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Is it limited to the pericardial layer? What are some common causes of acute pericarditis?

Acute Cholecystitis

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Is the presence of neutrophils in the wall of the gallbladder needed for the diagnosis of acute cholecystitis? Demonstrate this. Demonstrate some fibrin. If the inflammatory infiltrate was severe enough...

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