从1987年至1990年12月，31例腮腺恶性肿瘤行术后放疗。照射用60Co、210KV－X线及电子束，射野包括整个腮腺区，部分病倒包括同侧颈部淋巴引流区，照射剂量按4cm深度计算，一般为50Gy。全组总的5年生存率为66．3％，影响生存率的主要因素有病理类型、临床分期及有无颈淋巴结转移。 From 1987 to December 1990, 31 patients with parotid malignancies underwent postoperative radiotherapy. Irradiation with 60Co, 210KV-X line and the electron beam, the field includes the entire parotid gland area, part of the illness, including ipsilateral neck lymphatic drainage area, the irradiation dose by 4cm depth calculation, usually 50Gy. The overall 5-year overall survival rate was 66.3%, the main factors affecting the survival rate of the pathological type, clinical stage and presence or absence of cervical lymph node metastasis.