inflammation
Heart Infammated by Rheumatic Fever
Which is the difference from healthy myocardium? Can you find the pattern of inflammation? Can you see giant cells? Can you find some granulomas? Who has given the name of these cells? Who was Karl Ludwig...
Stomach - Erosion
Draw a line delineating the precise area of epithelial loss. Do you think the term erosion, in this case, can be, more or less, interchangeably, used with the term ulceration?
Soft Tissue - Foreign Body Reaction
Foreign body tissue reactions almost always involve which types of cells? What is the derivation of these cells? Point arrows to a bunch of them. Do you think you can often see the actual foreign material...
Duodenum - Chronic Peptic Ulcer - Penetrating
Demonstrate several processes which justify NOT calling this ulcer acute? Draw a line where the mucosa ends.
Duodenum- Peptic Ulcer
What percentage of the normal thickness of this duodenal wall (4 layers) has been compromised by this ulcer, 10Andpercnt;, 50Andpercnt;, 90Andpercnt;? Draw a line showing the thinnest part. What do...
Small Intestine- Crohn Disease
Which 4 layers of the GI wall are classically involved by Crohn (or more commonly Crohns or Crohn's) disease, one or most? What single small histopathologic structure is almost diagnostic of Crohn disease?...
Skin - Ulcer - Amputation Stump
What is the definition of an ulcer anywhere in the body? Draw a line where the viable appearing epithelium ends and the inflammatory tissue starts.
Skin - Keloid
Name some extremely common areas for keloids to occur. What are they related to most of the time? What is the primary histopathologic process found in keloid formation. Put a box around a 100Andpercnt;...
Furuncle (Abscess)
What is the definition of a furuncle? Is it different from a carbuncle? Are these abscesses primarily involving the dermis or epidermis? Delineate some dermal abscesses.
Lymphocytic Infiltrate (Possible Tick Bite)
Are lymphocytic infiltrates in various parts of the skin specific for any disease or one of the most NON-specific findings in dermatopathology? If you saw tick body parts in this slide would be be able...
Pituitary - Partial Infarct
What non-specific type of tissue response is seen in this pituitary secondary to infarction, coagulative necrosis, caseous necrosis, hemorrhagic necrosis, or liquefactive necrosis?
Acute Pancreatitis 2
What is the cause of the fat necrosis in the peripancreatic fat of this pancreas? Demonstrate it. Why is the term saponification often used with respect to acute pancreatitis? What is the typical profile...
Acute Pancreatitis
What is the cause of the fat necrosis in the peripancreatic fat of this pancreas? Demonstrate it. Why is the term saponification often used with respect to acute pancreatitis? What is the typical profile...
Tuberculosis
Demonstrate a caseating granuloma. Where is the caseating granuloma located with respect to the rest of the granuloma? Could this lymph node stain or culture positive for acid fast bacilli? Does it...
Sarcoidosis
What does the term caseation mean? Is it a gross or microscopic descriptive word? What percentage of this lymph node is occupied by granulomas? Why is it commonly said that the granulomas of sarcoid...
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