洋傘による頭蓋底穿通の2例

Skullbase-penetrating Injuries Caused by Umbrella Tips: Case reports

I．はじめに

　洋傘の先端が，頭蓋底部より頭蓋内まで穿通した症例の報告は意外に少ない．しかし，この頭蓋底穿通損傷は頭蓋内異物，頭蓋内気腫，髄液漏，頭蓋内感染症，外眼筋麻痺，視力・視野障害，外傷性脳動脈瘤など，種々の合併症を併発する^9）．われわれは，洋傘による頭蓋底穿通外傷2例を経験したので，若干の文献的考察を加え報告する．

Abstract

Two cases of skullbase-penetrating injuries caused by umbrella tips are reported. Case 1: 24-year-old male. Admitted with disturbance of consciousness, left hemi-paresis, nasal bleeding, and laceration of left lower eyelid because of having been stabbed by an umbrella tip. Pupils and fundi revealed no definite findings. Plain skull X-ray showed turbid ethmoid sinus and fracture of planum sphenoidale. Cranial CT showed right puta-minal hematoma with intraventricular hemorrhage and pneumocephalus. Increased ICP necessitated surgery two days after the injury.