Primary epithelioid sarcoma of scalp
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Epithelioid sarcoma (ES) is a rare mesenchymal tumor of unknown histogenesis which displays multidirectional differentiation, predominantly epithelial. They have no normal cellular counterpart and differ from both synovial sarcoma and other carcinomas. It mainly affects young adults. It has two variants, classic type and proximal type. The more common classic type presents as a slowly growing painless nodule or plaque on the distal extremities. It is rare in children and older individuals. There is male predominance. The size varies from few millimeters to several centimeters. Central deeply seated lesions in pelvis and genital tract are termed as proximal ES. It has a multinodular growth pattern and usually occurs in older patients. These are comparatively more aggressive and metastasize early. On histopathological examination, these lesions need to be distinguished from other tumors showing epithelioid morphology. Primary ES of scalp is an exceedingly rare tumor. We present a case of nodular tumor on the scalp with cervical lymph node metastasis....

http://www.asjo.in/article.asp?issn=2454-6798;year=2017;volume=3;issue=1;spage=71;epage=73;aulast=Gurwale
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