Dictionary of Cancer Terms
View in Spanish: Tumores de la familia del sarcoma de Ewing
Ewing sarcoma family of tumors (YOO-ing sar-KOH-muh FAM-ih-lee .. TOO-mers)
A group of cancers that includes Ewing tumor of bone (ETB or Ewing sarcoma of bone), extraosseous Ewing (EOE) tumors, primitive neuroectodermal tumors (PNET or peripheral neuroepithelioma), and Askin tumors (PNET of the chest wall). These tumors all come from the same type of stem cell. Also called EFTs.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.