Ossifying lipoma independent of bone tissue

A 46-year-old Japanese male was referred to a local hospital because of a f irm, nontender mass on his neck. On physical examination, the tumor was sof t, well demarcated, 3 x 2 cm in size and located in the submucosal region, It was entirely separate from the vertebrae. The resected tumor was shown t o be a lipoma with focal ossification, Ossifying lipomas are rare, and the cases which are independent of bone even more so. A literature review revea led that ossifying lipoma independent of bone tissue has been reported in o nly 8 cases, and, interestingly, all of them occurred in the head and neck region, Copyright (C) 2000 S. Karger AG. Basel.