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I.はじめに
後頭蓋窩硬膜外血腫は全硬膜外血腫の約5.4%17)とテント上硬膜外血腫に比し非常に少ない.しかしCT導入後,その報告は増加している11,16,22).また後頭蓋窩硬膜外血腫のほとんどは後頭部打撲により発生し10,12,17),後頭部打撲,後頭骨骨折があれば同部の硬膜外血腫の発生に注意すべきと強調されている.最近われわれは,前額部打撲後,反対側の後頭蓋窩に急性硬膜外血腫の発生をみた稀な1手術例を経験したので,若干の文献的考察を加えて報告する.
A rare case of acute epidural hematoma of the post-erior fossa caused by forehead impact is reported.
This 36-year-old man fell from a truck and hit his face. He was conscious and was brought to our center 30 minutes after the injury. On admission, a contused wound of the right forehead was noticed. He was rest-less and had severe pain in the neck and upper extremi-ties. Skull X-ray showed a linear fracture of the frontal hone and computed tomography (CT) scan was nor-mal. He continued to be restless and sudden respiratory arrest and pupillary dilation occurred 10 hours after the admission.
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