29. Sarcoidosis in lymph node: Difference between revisions

29. Sarcoidosis in lymph node (view source)

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 '''Theory''':
-See also macropreparation 32 and slide 30.
+See also macropreparation 32 and slide 30. The basophilic tissue is the remnant on the normal lymphoid tissue that lymph nodes are comprised of. The eosinophilic rest of the slide is made up of granulomas. These granulomas are “hard” because they have no necrotic centre. Not many giant cells can be seen. These granulomas are mostly made up of epithelioid cells. We can know that this lymph node is from the lung because we can see anthracosis.[[File:Sarcoidosis in lymph node anthracosis.jpg|thumb|Anthracosis|left]]
-The basophilic tissue is the remnant on the normal lymphoid tissue that lymph nodes are comprised of. The eosinophilic rest of the slide is made up of granulomas. These granulomas are “hard” because they have no necrotic centre.
-Not many giant cells can be seen. These granulomas are mostly made up of epithelioid cells.
-We can know that this lymph node is from the lung because we can see anthracosis.
-[[File:Sarcoidosis in lymph node anthracosis.jpg|thumb|Anthracosis|left]]
 [[File:Sarcoidosis in lymph node lymphoid tissue.jpg|thumb|The dark spots are lymphoid tissue. The eosinophilic spots are the granulomas.]]
 [[File:Sarcoidosis in lymph node epithelioid cells.jpg|center|thumb|Epithelioid granulomas]]
 [[Category:Pathology 1 - Histopathology slides]]