Pathology videos
Myocardial Infarct
Demonstrate the coagulation necrosis. Demonstrate the neutrophilic infiltrates (i.e., acute inflammatory infiltrate)
Acute Fibrinous Pericarditis
Demonstrate the fibrin. Is it limited to the pericardial layer? What are some common causes of acute pericarditis?
Bacterial Pericarditis
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
Is it limited to the pericardial layer? What are some common causes of acute pericarditis?
Acute Cholecystitis
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...
Chronic Esophagitis
Which of the four primary GI tract layers, mucosa, submucosa, muscularis, serosa/adventitia is involved the most? Demonstrate this. Being chronic inflammation, what is the primary cell(s) of infiltration?...
Chronic Fibrinous Bursitis
Why can the phrase chronic fibrinous be construed as an oxymoron? What is a bursa as opposed to a joint cavity? Show the fibrin. Show the fibrosis. Show some synovial cells. Show villi. [if]Is this a...
Pseudomembranous Colitis
Demonstrate the pseudomembrane. What are the two main constituents of the pseudomembrane? What bacterial toxin is this almost always associated with?
Fat Necrosis - Traumatic
What is the most common cause of fat necrosis in any part of the body? Demonstrate granulomas, giant cells, and hemosiderin.
Cerebellum - Abscess
Demonstrate the abscess by drawing a circle around it. What is the most common cause for brain abscesses in children? Name some things which are associated with brain abscesses in adults. What type...
Viral Encephalitis
Demonstrate lymphocytic perivascular cuffing in the Virchow-Robbins space. Is this a classic feature of almost all encephalitis cases? Are the vast majority of encephalitis cases viral rather than bacterial?...
Cerebral Infarct, Recent
Is brain damage always used as the best example of liquefactive necrosis? Why is necrosis here liquefactive? Can many types of brain damage cause liquefactive necrosis, in a non-specific fashion? Might...
Vertebrae- Fracture Callus
What are the two types of callus in the phases of a healing bone fracture? Which type is this? What is it composed of? Demonstrate it.
Osteoarthritis - Subchondral Cyst
Is cartilaginous erosion a main consistent finding in degenerative arthritis (i.e., osteoarthritis), grossly and microscopically and radiologically? Demonstrate it. if, Draw a circle delineating the...
Peri-Appendiceal Abscess
How might this abscess have occurred? What is the definition of an abscess in any part of the body? Which of the four layers in this case are infiltrated by neutrophils? Is the periappendiceal fat involved...
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