作者观察166例腮腺恶性肿瘤术后放疗消除镜下残余病灶的作用。全组患者中位年龄50岁(10～83岁),男性占54％。病理类型以粘液表皮样癌(28％)、腺癌(27％)、囊腺癌(16％)为主,其他还包括混合瘤/癌、腺泡细胞癌等。低度恶性或高分化占28％,中度恶性20％,高度恶性或未分化占49％,未分类3％。患者行腮腺切除术136例(82％);24例(14％)单纯肿瘤切除;6例腮腺切除术后复发行肿 The authors observed 166 cases of parotid malignant tumor after radiotherapy to eliminate the role of residual lesions. The median age of the group of patients 50 years (10 to 83 years), men accounted for 54%. Pathological types of mucoepidermoid carcinoma (28%), adenocarcinoma (27%), cystadenocarcinoma (16%) based, others include mixed tumor / cancer, acinar cell carcinoma and so on. Malignant or well-differentiated 28%, moderately malignant 20%, highly malignant or undifferentiated 49%, unclassified 3%. Thirty-six patients (82%) underwent parotidectomy, 24 patients (14%) underwent simple tumor resection, and 6 patients underwent parotid surgery