17年間放置され増大を認めた口蓋の疣贅型黄色腫の1例

Abstract

Oral verruciform xanthoma, first reported by Shafer in 1971, is a relatively rare benign lesion arising in gingiva or alveolar mucosa. We describe our experience with a case of verruciform xanthoma of the palate, which grew considerably during 17 years of follow-up. The subject was a 60-year-old man who presented with swelling of the left side of the palate in September 1989. Histopathological examination of a biopsy specimen showed verruciform xanthoma (size, 19 × 16 mm).Although surgery was scheduled, the patient did not return to the clinic to undergo operation. In September 2006, the patient returned because of tumor enlargement. The tumor was pedunculated (size, 55 × 30 × 7 mm) with an irregular dark-red surface. Histopathological examination of a biopsy specimen taken in the same month revealed verruciform xanthoma, confirming the former diagnosis. The tumor was resected in November 2006, and the postoperative course was uneventful.