Mucous cyst in the lip is a common disease. It arises usually single; multiple mucous cysts in the unilateral side rarely occur. We report a case of multiple mucous cysts in the unilateral side of the lower lip in a child.
A 9-year-old boy visited the Department of Dentistry and Oral Surgery of Toho Hospital because of a painless swelling in the lower lip. The clinical diagnosis was multiple mucous cysts and excision was performed. The tumors were pathologically diagnosed as mucous cysts and mucous glanuloma. Post operative finding has been good, with no evidence of recurrence as of 6 months after the operation.
