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外傷性小脳挫傷は外傷性頭蓋内出血の0.60%内外1)といわれ,CTの普及につれ近年報告例は増加し,われわれが調べ得た限り現在まで72例の報告1-6,8,9,11-13,15-31)がある.従来見逃されていた症例がCTにより発見されているものと思われるが,報告例の多くは重傷頭部外傷に合併したもので,受傷直後より意識障害の高度な例が多い.これらは,その病態をすべて表しているとは思えない.今回われわれは当科で8例を経験し,その発生機転,多彩な臨床経過,治療法,予後について検討を加えたので述べたい.
Numerous authors have reported cases of traumatic cerebellar contusion. A few authors have emphasized delayed deteriorations in patients with cerebellar contusion. Since CT scan was introduced into daily clinical practice, it has become obvious that cerebellar contusion were not necessarily associated with severe head injuries.
Of 1176 head-injured cases admitted to our depart-ment in the past five years, eight (0.7%) were di-agnosed by CT scans to have cerebellar contusion. Among eight cases, two of them were deeply comatose on admission because they had concomitant diffuse cerebral contusions and died soon after admission.
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