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Pronunciation: ek'kon-dro'ma


  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]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.