口底に発生した腺扁平上皮癌の1例 A case of adenosquamous carcinoma of the floor of the mouth
A case of adenosquamous carcinoma occurring on the floor of the mouth is presented. An 85-year-old man was referred to our clinic because of pain of the right sublingual region. Clinical examinations revealed a papillary tumor 17×9mm in diameter on the floor of the mouth. The histologic diagnosis of a biopsy specimen was well differentiated squamous cell carcinoma. The patient underwent tumor excision.<BR>Histological examination of the surgical specimen showed both squamous cell carcinoma and adenocarcinoma. Adenocarcinoma-like lesion of the tumor showed positive veaction to PAS and Alcian blue staining, and the tumor was finally diagnosed as adenosquamous cell carcinoma. The patient is free from the disease 12 months postoperatively.
日本口腔外科学会雑誌 51(3), 140-143, 2005-03-20
Japanese Society of Oral and Maxillofacial Surgeons