Kaiser T E, Ivins J C, Unni K K
Skeletal Radiol. 1980;5(4):223-6. doi: 10.1007/BF00580594.
A 47-year-old woman had a chondrosarcoma arise in extra-articular synovial chondromatosis near the ankle. A review of the literature suggests that this lesion is rare and that proper interpretation of histopathologic preparation of cartilage lesions can be difficult.