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Japanese

Diagnostic Efficacy and Pitfalls of a 64-raw Multislice Computed Tomography Scan for Mild Head Injuries in Children Yoshihisa MATSUMOTO 1 , Hiroshi NAWASHIRO 1 , Youichi UOZUMI 1 , Hiroshi KAGEYAMA 1 , Kenji SUMI 1 , Kimihiro NAGATANI 1 , Kenzo MINAMIMURA 1 , Kazuya FUJII 1 , Satoshi TOMURA 1 , Terushige TOYOOKA 1 , Atsushi OSUMI 1 , Hideo OSADA 1 , Nobusuke TSUZUKI 1 , Katsuji SHIMA 1 1Department of Neurosurgery,National Defense Medical College Keyword: head trauma , 3D-CT , fracture , diploic vein pp.35-40
Published Date 2010/1/10
DOI https://doi.org/10.11477/mf.1436101088
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 The aim of this study is to analyze the usefulness of 64-raw multislice computed tomography (CT) scans and bone images of three-dimensional CT (3D-CT) scans for evaluation of mild head injuries in children.

 Thirteen children (9 boys and 4 girls, less than or equal to 15 years old) with mild head injury were included in the study. Head CT scans obtained within 24 hours after injury. All children had no episodes of loss of consciousness, amnesia, epilepsy, vomiting, and no neurological abnormality on arrival at hospital.

 We detected 9 positive findings on CT scans, which looked like fracture lines at the frontal bone in 7 cases. The bone images of CT axial views revealed a true fracture in one case in which a skull X-ray could not demonstrate a fracture line, but, other positive findings turned out to be a diploic vein surrounded by a thin bone cortex. All false positive findings were detected in the patients under the age of 6.

 By the 3D-reconstructive CT scan,it is easier to detect not only the intracranial lesions but also the cranial fracture. But,the diploic vein is apt to be misdiagnosed as the fracture line,especially in patients under the age of 6.


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

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