Malignant bone tumor

• Most common in children and young adults where it tends to affect the femur

WordNet Word definitions in WordNet
n. malignant bone tumor; most common in children and young adults where it tends to affect the femur [syn: osteogenic sarcoma ]

Wikipedia Word definitions in Wikipedia
An osteosarcoma is a cancerous tumor in a bone . Specifically, it is an aggressive malignant neoplasm that arises from primitive transformed cells of mesenchymal origin (and thus a sarcoma ) and that exhibits osteoblastic differentiation and produces malignant ...

Wiktionary Word definitions in Wiktionary
n. A type of cancer of the bone

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Osteosarcoma \Os`te*o*sar*co"ma\, n.; pl. Osteosarcomata . [NL. See Osteo- , and sarcoma .] (Med.) A tumor having the structure of a sarcoma in which there is a deposit of bone; sarcoma connected with bone.