目前放射治疗已被广泛应用于头颈部肿瘤的治疗。有些报道表明,放疗可能加重患者大血管的狭窄程度。为此,作者回顾性分析了1986～1991年间收治的45例头颈部肿瘤。所有病人均只接受单纯放疗。且颈动脉均经射野确认片证实在照射野内。整组病人颈动脉的受照剂量为3500 cGy/20次～6250 cGy/25次,平均5950 cGy。放疗结束时间至 At present, radiation therapy has been widely used in the treatment of head and neck tumors. Some reports indicate that radiotherapy may increase the severity of vascular stenosis in patients. To this end, the author retrospectively analyzed 45 cases of head and neck tumors treated between 1986 and 1991. All patients received only radiotherapy alone. The carotid arteries were confirmed in the irradiation field by the field confirmation. The dose of irradiated carotid artery in the whole group was 3500 cGy/20 to 6250 cGy/25 times, with an average of 5950 cGy. End of radiotherapy time