Dyschondroplasia, or Ollier's disease, is a developmental anomaly in which there is an abnormal growth of cartilage and in which normal ossification of cartilage fails to take place, and so, as growth continues, rounded masses or columns of cartilage remain in the metaphysis principally, and in the diaphysis occasionally, of certain bones.^1,2

This disease, although described in most medical and radiology texts, is rarely mentioned in the American journals. It is, however, occasionally described in the European literature.

The following case is presented primarily because of its rarity and because of x-ray evidence of the prolonged and benign course of this disease.

Report of CaseÌý The patient, a 48-year-old white man, was first admitted to the Big Spring Veterans Administration Hospital in 1953 with the complaint of pain in his left leg which had been present for one day. He stated that while a barber's chair was being loaded