Also found in: Dictionary, Thesaurus.
Ewing's tumourA very malignant bone cancer affecting children up to the age of about 15. The tumour involves the inner bone tissue, usually of long bones and has a characteristic ‘onion skin’ appearance on X ray. There is swelling, tenderness and pain, and often fever. The outlook is seldom favourable. (James Ewing, American pathologist, 1866–1943).
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005