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→Granulomatous myocarditis: more
m (→Microscopic: fix) |
(→Granulomatous myocarditis: more) |
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==Granulomatous myocarditis== | ==Granulomatous myocarditis== | ||
*AKA ''giant cell myocarditis''.<ref name=emedicine1612533>[http://emedicine.medscape.com/article/1612533-overview http://emedicine.medscape.com/article/1612533-overview]</ref> | |||
===General=== | ===General=== | ||
* | *Unknown etiology.<ref name=upmc175>URL: [http://path.upmc.edu/cases/case175/dx.html http://path.upmc.edu/cases/case175/dx.html]. Accessed on: 8 January 2012.</ref> | ||
=== | ===Microscopic=== | ||
Features:<ref name=pmid19660614/> | Features:<ref name=pmid19660614/> | ||
* | *[[Granuloma]]s. | ||
*Myocyte necrosis. | *Myocyte [[necrosis]]. | ||
*Eosinophils. | *Eosinophils. | ||
Note: | Note: | ||
*Eosinophils and myocyte necrosis differentiate this entity from ''cardiac sarcoidosis''. | *Eosinophils and myocyte necrosis differentiate this entity from ''[[cardiac sarcoidosis]]''. | ||
**Granulomas in sarcoidosis are well formed and also involve the fat.<ref name=upmc175>URL: [http://path.upmc.edu/cases/case175/dx.html http://path.upmc.edu/cases/case175/dx.html]. Accessed on: 8 January 2012.</ref> | |||
DDx: | |||
*Infectious granulomatous myocarditis, e.g. [[tuberculosis]]. | |||
*[[Rheumatic myocarditis]]. | |||
*Lymphocytic myocarditis. | |||
Images: | |||
*[http://path.upmc.edu/cases/case175.html Giant cell myocarditis (upmc.edu)]. | |||
===Stains=== | |||
*[[Ziehl-Neelsen stain]] -ve. | |||
*[[GMS stain]] -ve. | |||
==Chagas disease== | ==Chagas disease== | ||