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RADIOXENON BRAIN SCANNING WITH GAMMA SCINTILLATION CAMERA Jyoji Handa 1 , Hajime Handa 1 , Ken Hamamoto 1 , Tadako Kousaka 1 , Kanji Torizuka 1 1Department of Neurosurgery pp.289-293
Published Date 1970/3/1
DOI https://doi.org/10.11477/mf.1406202691
  • Abstract
  • Look Inside

1) Using gamma scintillation camera, serial scin-tiphotography of the brain was performed during and after the intracarotid injection of 2-5 mC of 133Xe.

2) The pattern of blood supply of the 3 major cerebral arteries from the carotid artery on the in-jected side was visualized, but the circulation of the second-order branch or less could not be accurately assessed.

3) In the tumor which showed the rich vascularity and not infrequently the arteriovenous fistulas in the tumor in addition, the initial scintiphoto during the injection of 133Xe demonstrated high radioactivity in the focus, which disappeared rapidly leaving the cool focus.

4) In the mass lesion which was poor in vascu-larity (cystic tumor, hematoma etc.), the focus was cool during the intracarotid injection of 133Xe, and the wash-out was invariably slow.

5) This technique provides a useful visual infor-mation as to the extent of the avascular focus. As a diagnostic technique, however, the radioxenon brain scanning does not seem to have much advantage over the carotid angiography or the serial scanning with 99mTc.

6) Multichannel rCBF determinations are made possible by use of gamma scintillation camera, 1600 channel memory scope and computer compatible magnetic tape system. This method, when performed in conjunction with the radioxenon brain scan, seems to be highly promising.


Copyright © 1970, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 2185-405X 印刷版ISSN 0006-8969 医学書院

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