General
and Systemic Histopathology, C601&C602
Slide 48: Fibrinous pericarditis
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In this case, we're looking
for a thin band of homogeneous, pink staining, proteinaceous material on
the epicardial surface of the heart. This represents an exudate composed
largely of protein material. You will see very few inflammatory cells.
See this slide with the
virtual microscope. |
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Now you can see how devoid
of inflammatory cells this exude is. Remember it consists almost totally
of protein (fibrin plus other trash). It looks the way I think "tofu" would
look if sectioned and stained. This "exudate" is a product of renal failure,
is completely sterile, and occurs secondary to the crystallization nitrogenous
wastes on the epicardial and pericardial surfaces. This is a consequence
of many forms of long term kidney disease that eventuate in renal failure. |
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