enchondromatosis

[ĕn-kŏn′drō-mə-tōsĭs, ĕn′kŏn-drō′-]
n.
  1. A congenital but nonfamilial disorder involving tubular bones, especially of the hands and feet, and characterized by a neoplasmlike proliferation of cartilage in the metaphyses that cause distorted growth in length or pathological fractures.dyschondroplasia Ollier's disease
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.