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Diagnostic Neuroradiology in Head Injury Takeshi MAEDA 1,2,3 1Department of Neurological Surgery, Nihon University School of Medicine 2Department of Anesthesiology, Nihon University School of Medicine 3Center for Brain and Health Sciences, Aomori University Keyword: CTの3段階読影法 , repeat CT , 放射線被曝 , 軽症頭部外傷の画像診断 , three-step evaluation of trauma panscan , radiation exposure , neuroradiology in minor head injury pp.934-945
Published Date 2021/9/10
DOI https://doi.org/10.11477/mf.1436204476
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 The 4th edition of the Guidelines for Treatment and Management of Head Injury by the Japan Society of Neurotraumatology newly published a three-step evaluation method for CT, indications for repeat CT, cancer risk associated with radiation exposure, and preparation of examination guidelines for reduction of radiation exposure. This manuscript describes how to proceed with diagnostic imaging of head injuries and the new items.

 The important points are as follows:

 ・CT is the first-step diagnostic imaging method in the acute phase.

 ・Initial CT assesses the presence or absence of intracranial hemorrhage requiring emergency craniotomy.

 ・It is necessary to perform repeat CT to assess secondary injury.

 ・For minor head injuries, the indication for CT should be determined by confirming neurological concomitant symptoms considering radiation exposure.


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

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