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Intra-articular osteochondroma of the ankle joint
T Yamashita1, N Sakamoto, I Ishikawa
1Department of Orthopedic Surgery, Sapporo Medical University, Japan.
Abstract:
Intra-articular osteochondroma is a rare entity that appears as a single giant osteocartilaginous loose body in a joint cavity. The few reported cases of intra-articular osteochondroma have occurred in the knee joint. We report the case of a large osteochondral loose body in the ankle joint of a 10-year old girl and discuss the origin of the osteochondral tumor.