術後９年経過したＤ‐Ｐ皮弁に乳頭腫症の発生をみた１例

Abstract

A case of papillomatosis arising from the reconstructed skin portion following the D-P flap operation. A 55-year-old Japanese woman, who had developed a tongue cancer.The patient was placed on an irradiation therapy (110 Gy) with a betatron and received functional neck dissection, marginal mandibulectomy, partial resection of tongue and floor of the mouth, and immediate reconstruction using D-P flap operation.There was no local recurrence for nine post-operative years, but the fitness of the denture was loosen recently. A month after the patient had noticed the unfitted denture, the pedunculated tumor mass, lobulated and measured about 3 cm in diameter, arose from the reconstructed skin portion of the floor of the mouth.The mass was resected but recurred three weeks later, so that re-resection and wide elimination of denture were carried out. Histopathological findings were as same as papil-lomatosis arising in the oral mucosa, except that the accessary glands of the skin were scattered in the subcutaneous connective tissue.