腮腺是三大涎腺中最大的腺体,涎腺肿瘤的治疗以手术为主,对于恶性肿瘤,放射治疗是重要的辅助手段。单纯手术后容易复发,术后放疗可以明显减少局部复发机会或延长肿瘤复发时间[1]。1999-05/2004-05我科对收治的71例腮腺恶性肿瘤采用三维适形放疗,现对放疗的作用进行分析,报道如 Parotid gland is the largest of the three glands in the salivary glands, salivary gland tumors mainly for surgery, for malignant tumors, radiation therapy is an important adjunct. Simple surgery easy to relapse, postoperative radiotherapy can significantly reduce the chance of local recurrence or extend the time of tumor recurrence [1]. 1999-05 / 2004-05 71 cases of parotid malignant tumors admitted to our department using three-dimensional conformal radiotherapy, the role of radiotherapy are analyzed, such as reported