外傷性脳内血腫 : 経時的CT検査所見に基づいた分類について

概要

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After the introduction of CT (Hitachi CT-H) in February, 1977, we experienced 34 cases of traumatic intracerebral hematoma (ICH).In our previous report, we classified 11 cases these into four groups based on the CT findings.In this paper, we modified certain parts of this classification, according to the dynamic changes on CT.The first group includes six cases whose ICH's were removed soon after the admission and one patient who expired shoutly after the admission.The second group includes three cases whose initial CT's revealed small ICH's but repeat CT's disclosed large one.The third group consists of eight cases whose ICH's were supposed to have developed out of cerebral contusion.The fourth group includes 16 cases whose ICH's shrinked or disappeared spontaneuosly.From analytical studies of these groups, it was clarified that the enlargement or disappearance of the TCH on CT coincided well with the clinical deteriration or spontaneous improvement.Recently, Brown, et al. and Diaz, et al. reported cases in which ICH's were demonstrated by repreat CT's and gave them the generic name of, "delayed traumatic ICH".We also experienced such cases, but we did not think that these patients had "delayed traumatic ICH's"From analysis of our material, we considered that in these cases, evolution of ICH's could only be demonstrated by repeat CT's during the acute of the usual traumatic ICH's.
日本脳神経外科学会の論文
1979-11-15