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eosinophilic polymyositis

Thursday 23 February 2006


- degeneration of muscle fibers
- marked eosinophilic infiltration
- peripheral eosinophilia

Differential diagnosis

- hypereosinophilic syndrome
- collagen vascular diseases
- parasites

- heart failure
- tissue injuries
- loss of muscle fibers
- interstitial fibrosis
- infiltrates of lymphocytes in the skeletal muscles, heart and various visceral organs


- Ishizawa K, Adachi D, Kuboi K, Yamaguchi T, Mitsuhashi T, Shimizu Y, Mimura T, Nishimura S, Shimizu M, Hirose T. Multiple organ involvement in eosinophilic polymyositis: an autopsy report. Hum Pathol. 2006 Feb;37(2):231-5. PMID: 16426924