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MR Imaging of Associated Brain Injuries in Cases with Acute Extradural Hematoma Yoji KOMATSU 1,3 , Akira MATSUMURA 1 , Kotoo MEGURO 1 , Tomoyuki SHIBATA 1 , Fumiho SHIBUYA 1 , Yoshitaka NAKATA 1 , Tadao NOSE 2 1Department of Neurosurgery, Tsukuba Medical Center Hospital 2Department of Neurosurgery, Institute of Clinical Medicine, University of Tsukuba Keyword: Extradural hematoma , Brain injury , Magnetic resonance imaging , Computed tomograph pp.775-780
Published Date 1993/9/10
DOI https://doi.org/10.11477/mf.1436900697
  • Abstract
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To assess the efficacy of magnetic resonance (MR) im-aging for detection of associated brain injuries in cases with extradural hematoma (EDH), 32 patients of EDH were examined by MR. CT detected associated lesion in eleven patients (34%), while MR detected them in 24 patients (75%). MR is more sensitive than CT in detect-ing associated lesions, especially when T2 weighted im-aging is used. Non-hemorrhagic contusions adjacent to EDH, and near the cranial base were well shown by MR, however they tended to be missed by CT. EEG findings were dearly related to abnormalities detected by MR. Coupling between functional change and organic change was confirmed.

The improved detection and anatomic localization of associated brain injuries by MR should allow more accu-rate assessment of brain injuries, and sophisticated man-agement of EDH patient.

The authors also discussed on the cardiorespiratory monitoring and support during MRI examination in criti-cally ill patients.


Copyright © 1993, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1251 印刷版ISSN 0301-2603 医学書院

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