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**[[Tuberculosis]]. | **[[Tuberculosis]]. | ||
**[[Histoplasmosis]]. | **[[Histoplasmosis]]. | ||
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[[File:1 sarcoid 1 680x512px.tif| Hepatic sarcoidosis in a patient with previously known sarcoidosis.]] | |||
[[File:2 sarcoid 1 680x512px.tif| Hepatic sarcoidosis in a patient with previously known sarcoidosis.]] | |||
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[[File:3 sarcoid 1 680x512px.tif| Hepatic sarcoidosis in a patient with previously known sarcoidosis.]] | |||
[[File:4 sarcoid 1 680x512px.tif| Hepatic sarcoidosis in a patient with previously known sarcoidosis.]] | |||
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[[File:5 sarcoid 1 680x512px.tif| Hepatic sarcoidosis in a patient with previously known sarcoidosis.]] | |||
[[File:6 sarcoid 1 680x512px.tif| Hepatic sarcoidosis in a patient with previously known sarcoidosis.]] | |||
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Hepatic sarcoidosis in a patient with previously known sarcoidosis. At low power markedly distorted parenchyma is highlighted by seeing the minor component of unaffected cores [parallel to double headed arrowsD] (Row 1 Left 20X). All but the lower left part is affected by a large granuloma strewing Touton body giant cells [arrows] (Row 1 Right 100X). PAS without diastase shows granulomas separated by a small column of hepatocytes (Row 2 Left 200X). Trichrome here shows the extensive fibrosis associated with the granulomatous inflammation in this case(Row 2 Right 200X). Trichrome here demonstrates a utility in picking up giant cells [arrows], whose cytoplasm often stains differently than the surrounding fibrosis (Row 3 Left 200X). As shown by this trichrome stained image, most triads showed fibrosis; none showed involvement by granuloma or increased chronic stromal inflammation (Row 3 Right 200X). | |||
==See also== | ==See also== |