BACKGROUND Extraskeletal Ewings sarcoma are rare tumors for which there is no consensus on optimal management. METHODS A retrospective review of the clinical features, treatment and outcome of patients with extraskeletal Ewings sarcoma who reported to a single institution between January 1992-December 2003 is reported. RESULTS A total of 19 patients with extraskeletal Ewings sarcoma were id...

Introduction: Ewing sarcoma family of tumors (ESFT) are a group of small round cell tumors showing varying degrees of neuroectodermal differentiation with Ewing sarcoma being the least differentiated. Primitive neuroectodermal tumors (PNET) show neuroectodermal differentiation by light microscopy, immune histochemistry (IHC) or electron microscopy [1]. According to WHO classification of bone an...

Extra skeletal Ewings sarcoma is a rare entity. The primary bladder localization exceptional, their diagnosis difficult because it extremely in this place and of diagnostic difficulties posed by group very heterogeneous tumors. Its clinical presentation similar to that transitional cell carcinoma, however the two entities must be distinguished protocols for treatment are different. dependent on...