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Estimation of Malignancy Using SPECT with 201 Tl Chloride in Astrocytic Tumors Hiroshi Seo 1 , Toshiya Fujita 1 , Osamu Nakai 1 , Akio Komatani 2 1Department of Surgical Neurology, Yamagata University School of Medicine 2Department of Radiology, Yamagata University School of Medicine Keyword: 201Tl chloride , SPECT , astrocytoma diagnosis , Tl index pp.168-174
Published Date 1994/2/1
DOI https://doi.org/10.11477/mf.1406900598
  • Abstract
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This study was designated to estimate the useful-ness of SPECT with 201Tl chloride (Tl-SPECT) for the determination of the malignancy in astrocytic tumors. The subjects consisted of 39 astrocytic tumors in supra-tentorial regions.

Tl-SPECT undertaken ten minutes to obtain an early image and four hours to obtain a delayed image, after intravenous injection of 74MBq 201Tl chloride (Tl). Tl index (L/N) was defined as the RI count ratio in the tumor lesion (L) to that in the normal parenchyma (N).


Copyright © 1994, 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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