Ewing s Sarcoma Peripheral Primitive Neuroectodermal Tumor

Cancer Terms -> Diseases Disorders and Findings -> Diseases and Disorders -> Neoplasm -> Neoplasm by Special Category -> Embryonal Neoplasm -> Ewing s Sarcoma Peripheral Primitive Neuroectodermal Tumor

Ewing s Sarcoma Peripheral Primitive Neuroectodermal Tumor Definition

A spectrum of malignant tumors, affecting mostly males under age 20, characterized morphologically by the presence of small round cells. Ewing sarcoma and peripheral primitive neuroectodermal tumor represent the ends of a spectrum, with Ewing sarcoma lacking evidence of neural differentiation and the markers that characterize the peripheral primitive neuroectodermal tumor. Ewing sarcoma and peripheral primitive neuroectodermal tumor may share cytogenetic abnormalities, proto-oncogene expression, cell culture and immunohistochemical abnormalities. These tumors may occur in the soft tissues or the bones. Pain and the presence of a mass are the most common clinical symptoms.

Ewing s Sarcoma Peripheral Primitive Neuroectodermal Tumor Synonyms

Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor, Ewing Family of Tumors, Ewing's Family of Tumors, Ewing's Family of Tumours, Ewing's Sarcoma/Peripheral Primitive Neuroectodermal Tumor, Tumors of Ewing's Family, Tumors of the Ewing's Family

Terms in Ewing s Sarcoma Peripheral Primitive Neuroectodermal Tumor category

Localized Ewing s Sarcoma Peripheral Primitive Neuroectodermal Tumor