The therapy of microwave by means of nasal endoscopy guided can get rid of the lesion which is located at walls of the maxillary sinus to avoid the trauma caused by Caldwell Luc operation,etc.

• 鼻内镜下微波热凝术可清除上颌窦内残留的病变组织 ,避免再行Caldwell Luc等术式的创伤。