Myocarditis
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Myocarditis is inflammation of the heart.
Idiopathic granulomatous myocarditis is dealt with in a separate article.
General
- Uncommon.
Gross
- Not apparent on gross.
Grossing:
- Requires 10 sections to exclude;[1] sections should include right ventricle and left ventricle.
- It is often missed with five.[2]
Microscopic
Features:
- Inflammation.
- Myocyte necrosis - disputed.[3]
Classification
Classified by the inflammatory cells present:[4]
- Eosinophilic - hypersensitivity myocarditis - most common.
- May be assoc. with peripheral blood eosinophilia.[5]
- Lymphocytic - viral, autoimmune.
- Granulomatous - infectious, idiopathic.
- Neutrophilic.
- Reperfusion (associated with myocardial infarction).
Images
Myocarditis (viral) - 1 (WC)
Myocarditis (viral) - 2 (WC)
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See also
References
- ↑ KC. 1 October 2010.
- ↑ Kubo, N.; Morimoto, S.; Hiramitsu, S.; Uemura, A.; Kimura, K.; Shimizu, K.; Hishida, H. (1997). "Feasibility of diagnosing chronic myocarditis by endomyocardial biopsy.". Heart Vessels 12 (4): 167-70. PMID 9559966.
- ↑ Baughman, KL. (Jan 2006). "Diagnosis of myocarditis: death of Dallas criteria.". Circulation 113 (4): 593-5. doi:10.1161/CIRCULATIONAHA.105.589663. PMID 16449736.
- ↑ http://emedicine.medscape.com/article/1612533-overview
- ↑ 5.0 5.1 Amini R, Nielsen C (2010). "Eosinophilic myocarditis mimicking acute coronary syndrome secondary to idiopathic hypereosinophilic syndrome: a case report". J Med Case Reports 4: 40. doi:10.1186/1752-1947-4-40. PMC 2830978. PMID 20181108. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2830978/.