Abstract
Angioleiomyoma is a benign tumor in smooth muscles, which often occurs in the limbs, especially in the subcutaneous part of the inferior limbs. Angioleiomyoma in the oral cavity is rare and therefore has been rarely reported. We report a case of angioleiomyoma arising in the alveolar mucosa of the mandible. Among cases of angioleiomyoma in the oral cavity, lesions occurring in this region are particularly rare. The patient was a 49-year-old woman with a 10mm×7mm×5mm hemispherical tumor. The tumor border was seen in the alveolar mucosa of the mandible. Clinically, it was diagnosed as a mandibular benign tumor. The lesion was resected with the patient under local anesthesia. Histopathologically, the tumor was diagnosed as angioleiomyoma and was classified as venous type according to Morimoto's classification. The patient's postoperative course has been good, with no evidence of recurrence as of 1 year 10 months after the operation.