ecchondroma

ec·chon·dro·ma

(ek'kon-drō'mă),
1. A cartilaginous neoplasm arising as an overgrowth from normally situated cartilage, as a mass protruding from the articular surface of a bone, in contrast to enchondroma.
2. An enchondroma which has burst through the shaft of a bone and become pedunculated.
Synonym(s): ecchondrosis
[G. ek, from, + chondros, cartilage, + -oma, tumor]

ec·chon·dro·ma

(ek-kon-drō'mă)
1. A neoplasm arising from cartilage as a mass protruding from the articular surface of a bone.
2. An enchondroma that has burst through the shaft of a bone and become pedunculated.
[G. ek, from, + chondros, cartilage, + -oma, tumor]

ecchondroma

A bony outgrowth capped with cartilage. An exostosis. Also known as osteochondroma.
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