Abstract
Lipoma is a benign tumor derived from adipose tissue and may arise from any site where fat cells exist. We describe a very rare case of lipoma with bone and cartilage formation in the submental region.
A 61 year-old woman was admitted to our hospital because of submental swelling. The lesion was diagnosed preoperatively as a lipoma based on the clinical and computed tomographic findings. A histopathological diagnosis of lipoma was made on examination of a biopsy specimen. The tumor was easily enucleated under general anesthesia. Histopathological examination of the surgical specimen showed a lipoma with bone and cartilage formation. The postoperative course was uneventfull, and there has been no recurrence as of 32 months after operation.