上口唇腺房細胞癌の1例とその一次的再建術について

Acinic Cell Adenocarcinoma of the Upper Lip: Report of Case and the Primary Reconstruction of the Defect in the Upper Lip

　Ⅰ．はじめに

　腺房細胞癌（acinic cell adenocarcinoma）の大部分は，耳下腺より発生し，小唾液腺由来のものは，きわめて稀であるとされている。口蓋，舌，口唇，頬粘膜などに発生するが，われわれは，最近上口唇に発生した，本症の1例を経験し，腫瘍摘出とともに，Abbe法による一次的再建術を行ったので，報告する。

　Acinic cell adenocarcinoma of the minor salivary gland origin is common. This 62-year-old man had a tumor in his upper lip. The tumor was widely excised and the defect in the upper lip was repaired immediately by Abbe's method. The size of the defect following tumor excision was about one third of the upper lip. The method was proved to be quite effective in providing excellent aesthetic results. In the histological feature, the tumor was considered as a low grade malignancy, however within one year after operation, regional lymph nodes meta stasis and local recurrence occurred. The authors emphasized that attempts at predicting biologic course based on histomorphologic findings have not been fruitful and the selection of appropriate surgical management is necessary.