经鼻内窥镜筛顶前颅底进路取除颅内枪弹异物许庚１李源１史剑波２钟敬祥２病例报告：病人１７岁，男，７天前被钢珠枪击中左眼眶内上缘。入院检查时左眼睑肿胀，皮下瘀血，视力及动脉均未受影响，脑脊液鼻漏持续不愈。Ｘ－线和ＣＴ检查可见前颅窝鸡冠左侧有一直径５ｍｍ圆... Nasal endoscopic screening of the anterior skull base approach to remove intracranial bullets Xu Geng 1 Li Yuan 1 Shi Jianbo 2 Zhong Jingxiang 2 Case Report: The patient was 17 years old, male, 7 days ago was shot ball hit the left orbital superior margin . Left eyelid swelling, subcutaneous bleeding, visual acuity and arteries were not affected when admitted to hospital, cerebrospinal fluid rhinorrhea continued unhealed. X-ray and CT examination can be seen on the left anterior cranial fossa crown 5mm diameter circle ...