1990～1992年，我们根据WHO的三级阶梯止痛疗法[1]，在瘤体注射辐射增敏剂前，加用适量局麻剂，经增敏放疗消除了癌症患者的剧痛，经治疗13例取得较好疗效，报道如下。临床资料本组男8例，女5例，年龄36～66岁。共15个启灶，其中颈部转移灶10个（鳞癌6个，腺癌4个），乳腺癌胸 From 1990 to 1992, according to the WHO’s three-step analgesic therapy [1], prior to the injection of radiation sensitizers in the tumor, an appropriate amount of local anaesthetic was used to eliminate the severe pain in cancer patients after sensitization radiotherapy. Cases have achieved better results, as reported below. Clinical data The group of 8 males and 5 females, aged 36 to 66 years old. A total of 15 infusions, including 10 neck metastases (6 squamous cell carcinomas, 4 adenocarcinomas), breast cancer breasts