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头颈部恶性肿瘤病人放射治疗常伴有腮腺损伤。本文采用腮腺区外敷冰袋的办法降低腮腺区温度。放疗后不同时间测腮腺核素显像和唾液量。结果示，低温组（敷冰＋放疗）与照射组比，腮腺损伤较轻，腮腺功能恢复的快，说明此法降温可靠。机体局部低温具有辐射防护作用
Radiotherapy of head and neck cancer patients often accompanied by parotid injury. In this paper, parotid gland area outside the ice pack method to reduce parotid gland area temperature. Parotid radionuclide imaging and saliva volume measured at different times after radiotherapy. The results showed that low-temperature group (ice + radiotherapy) and irradiation group than the lesser parotid gland, parotid gland function recovery faster, indicating that this method of cooling and reliable. Local hypothermia with radiation protection