Definition of Ollier disease
Ollier disease: A condition characterized by multiple enchondromas -- benign masses of cartilage growing within bones. An enchondroma can deform and shorten a limb and predispose to a fracture at the site. The disorder can be caused by a mutation in the gene for the parathyroid hormone receptor (PTHR1). Also known as enchondromatosis.
Last Editorial Review: 7/1/2016
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