Abstract
We report two cases of periosteal chondroma of the phalanx. A 6-year-old boy complained of swelling of the left index. Radiography showed a depressed lesion with some calcification. Resection and curettage of the tumor was performed. A 71-year-old man complained of swelling of the left ring finger. Radiography showed a depressed lesion with some calcification. Angiography showed hypervascularity. MRI showed low intensity area on T1 weighted image, high intensity area on T2 weighted image and enhancement on Gd-DTPA. Resection and curettage of the tumor was performed.Periosteal chondroma is a rare benign chondroid tumor that arises under or in the periosteum. It is ofter difficult to distinguish periosteal chondroma from chondrosarcoma. We diagnosed these cases as periosteal chondroma by radiographic and pathological findings.
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