Difference between revisions of "Heart valves"

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4 bytes removed ,  02:48, 21 March 2012
(→‎Microscopic: more IHC, histiocytes/granulomas)
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===Microscopic===
===Microscopic===
Features:<ref name=Ref_PBoD593>{{Ref PBoD|593}}</ref>
Features:<ref name=Ref_PBoD593>{{Ref PBoD|593}}</ref>
*Caterpillar cell ([[AKA]] Anitschkow cells)
*Caterpillar cells ([[AKA]] Anitschkow cells)
**Abundant eosinophilic cytoplasm.
**Abundant eosinophilic cytoplasm.
**Moderately-poorly defined cell border.
**Moderately-poorly defined cell border.
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**Pathognomonic for rheumatic fever.
**Pathognomonic for rheumatic fever.


*Aschoff bodies:
*Aschoff bodies - usually in the heart itself:
**Usually in the heart itself,
**Jumbled collagen, eosinophilic.
**Jumbled collagen, eosinophilic, and
**Surrounded by lymphocytes (T cells) +/- plasma cells.
**Surrounded by lymphocytes (T cells) +/- plasma cells.


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