Primary Ewing Sarcoma at Rare Sites – A Study of Few Cases

Abstract

The Ewing family of tumors includes classic Ewing Sarcoma (ES), atypical ES, primitive neuroectodermal tumor (PNET), and Askin tumor. It is a small round blue cell tumor involving most commonly the diaphyses of long bones. We present a series of four cases of ES occurring at rare sites.