2020 Volume 66 Issue 12 Pages 644-649
Myopericytoma is a benign tumor characterized by a perivascular proliferation of myoid differentiating oval spindle-shaped pericytic cells, and it is rarely found in the oral cavity. We report a case of myopericytoma in the floor of mouth. A 66-year-old female was referred to our hospital with the chief complaint of a tumorous lesion of the left side of the floor of mouth. Physical examination revealed a movable, elastic-hard and painless mass. CT examinations showed the mass measuring 23 × 11 mm in the floor of mouth. Histological findings from an incisional biopsy suggested a benign tumor with myoid differentiation. A surgical excision was carried out under general anesthesia. A histopathological diagnosis of myopericytoma was made. No evidence of recurrence was observed during the year and a half following surgery.
