Ewing's sarcoma: Meaning and Definition of

Ew'ing's sarco'ma

Pronunciation: [key]
— Pathol. Pathol.
  1. a malignant stem-cell bone tumor, usually occurring in the leg or pelvis of children and young adults, characterized by pain, fever, and swelling.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.