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Epithelioid sarcoma‐like (pseudomyogenic) hemangioendothelioma, clinically mimicking dermatofibroma, diagnosed by skin biopsy in a 30‐year‐old man
Author(s) -
Stuart Lauren N.,
Gardner Jerad M.,
Lauer Scott R.,
Monson David K.,
Parker Douglas C.,
Edgar Mark A.
Publication year - 2013
Publication title -
journal of cutaneous pathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.597
H-Index - 75
eISSN - 1600-0560
pISSN - 0303-6987
DOI - 10.1111/cup.12196
Subject(s) - dermatofibroma , epithelioid hemangioendothelioma , medicine , pathology , biopsy , epithelioid sarcoma , nodule (geology) , soft tissue , sarcoma , dermis , skin biopsy , immunohistochemistry , biology , paleontology
Epithelioid sarcoma‐like (pseudomyogenic) hemangioendothelioma ( ESHE ) represents a rare soft tissue and bone tumor that typically presents as nodule(s) in the distal extremities of young adults. The nodules traverse several tissue planes simultaneously and can involve the dermis, subcutis, skeletal muscle and bone. ESHE shares clinical and microscopic features with epithelioid sarcoma ( ES ), and, accordingly, is commonly misdiagnosed as ES . However, unlike ES , which has a poor prognosis, ESHE commonly follows an indolent course. Herein, we report a case of ESHE diagnosed by skin biopsy that clinically mimicked a dermatofibroma. We also provide clinical photographs of the lesions in various stages of development, representing information that has not been previously published, to our knowledge.