中国医学科学院肿瘤医院放射科近年来用高剂量率近距离后装机，经鼻道作蝶窦、筛窦插植，对鼻咽癌合并煤、筛窦受侵进行组织间放疗的方法，最近获中国医学科学院医疗成就奖。这种方法无严重并发症，易于临床推广使用。中晚期鼻咽癌易有蝶骨体破坏，蝶窦、筛窦受侵。以往只能用 Chinese Academy of Medical Sciences Cancer Hospital radiology in recent years with high dose rate close after the installation, the nasal passages for sphenoid sinus, ethmoid sinus implantation of nasopharyngeal carcinoma with coal, ethmoid sinus invasion of inter-organizational radiotherapy method recently received Chinese Academy of Medical Sciences Medical Achievement Award. This method without serious complications, easy to promote clinical use. Nasopharyngeal carcinoma in the late prone to sphenoid body destruction, sphenoid sinus, ethmoid sinus invasion. In the past can only be used