下顎歯肉腺様扁平上皮癌と食道扁平上皮癌の同時性重複癌の一例 [in Japanese] A case of synchronous double cancer of the lower gingival adenoid squamous cell carcinoma and esophageal squamous cell carcinoma [in Japanese]
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Adenoid squamous cell carcinoma has been accepted to be an uncommon variant of squamous cell carcinoma and a definite entity. Adenoid squamous cell carcinoma is characterized by a mixture of squamous components with adenocarcinomatous elements, which result from acantholytic phenomena in the tumor. We describe an extremely rare case of synchronous double cancer involving adenoid squamous cell carcinoma of the lower gingiva and squamous cell carcinoma of the esophagus in a 75-year-old man. Intraoral examination revealed a tumor measuring 30×25×7mm in the lower gingiva near the left second molar and the buccal mucosa. Biopsy revealed adenoid squamous cell carcinoma. On preoperative endoscopic examination, esophageal cancer was detected and histologically diagnosed as squamous cell carcinoma. The patient died of uncontrolled adenoid squamous cell carcinoma.
- Journal of Oral Surgery Society of Japan
Journal of Oral Surgery Society of Japan 53(2), 93-97, 2007-02-20
Japanese Society of Oral and Maxillofacial Surgeons