Primary cutaneous Ewing sarcoma - Case report

Ewing sarcoma is a primitive neuroectodermal tumor rarely occurs in the skin and sobcutaneous tissues. generally ewing's sarcoma is a primary bone tumor,but when present in soft tissues it characterizes an extremely uncommon clinical picture. it usually involves the deep subcutaneous tissue or muscles,and more rarely occurs like a primary skin cancer. most patients are white,women,and in the second decade of life. the clinical features are a superficial mass,in average measuring 2-3 cm,of soft consistency,freely mobile and sometimes painful. the more affected locations are upper and lower extremities,trunk,head,neck or multiple lesions. the presence of metastases is very rare. © 2014 by anais brasileiros de dermatologia.