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KMID : 0061119810090000117
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Bulletin of the Clinical Research Institute
1981 Volume.9 No. 0 p.117 ~ p.117
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Computed Tomography of Head Injuries:an Analysis of 310 Cases
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Kim, Choon-Yul
Yoon, Sei-Chul/Bahk, Yong-Whee
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Abstract
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The authors reviewed the CT scans of 310 patients with acute head injury in order to assess the type and location of brain lesions, the relationship between the CT densities of hematomas and their stage, the shape and mass effect of the extra-axial hematomas; and the effect of contrast enhancement.
1. Of all 310 cases of the head injuries, epidural hematoma was 13.5%, subdural hematoma was 8.7%, subdural hygroma was 10 %, cerebral contusion was 39%, hydrocephalus and atrophy was 3.9% and negative finding was 24.9% (Table 1).
2. The extraaxial hematoma was located on the right side in 49.3% and the left side in 39,1% and bilaterally in 11.6%. Therefore unilateral location was much more frequent than bilateral one.
3. The extra-axial hematoma was getting decreased in density as time lapsed (Table 2).
4. The shape of epidural hematoma was biconvex in 88.1% and piano-convex in 11.9%.
5. The shape of subdural hematoma was crescent in 88.9% and biconvex in 11.1% in chronic stage.
6. The mass effect of the extraaxial hematoma slowly decreased as time lapsed.
7. The extra-axial hematoma was enhanced by the contrast media in all acute, subacute and chronic stage as well as in the cerebral contusion, but there was a tendency that the contrast enhancement of hematoma increased as time lapsed
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