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恶性脑膜瘤手术后均需补充放射治疗。为使肿瘤部位得到均匀的照射剂量,同时保护其它正常器官免受射线损伤．我们研制了铅蜡混合挡块(简称挡块),在放射治疗中得以应用。
Malignant meningioma after surgery should be supplemented with radiotherapy. In order to get a uniform radiation dose at the tumor site, while protecting other normal organs from ray damage. We have developed a lead-wax hybrid stopper (referred to as the stopper), in the application of radiation therapy.