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Diagnosis of Pitutiary Adenoma by Dynamic CT Scanning: Concerning direct sign and indirect sign for diagnosis of pituitary microadenoma Sumiyoshi TANABE 1 , Teiji UEDE 1 , Masahiko DAIBO 1 , Jun NIWA 1 , Kazuo HASHI 1 1Department of Neurosurgery, Sapporo Medical College Keyword: Pituitary gland , Anterior lobe , Vascular bed , Microadenoma , Dynamic CT pp.1457-1463
Published Date 1988/12/10
DOI https://doi.org/10.11477/mf.1436202739
  • Abstract
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The advantage of high resolution CT in the diagno-sis of pituitary microadenomas has been established,but the diagnosis becomes more difficult when the pituitary microadenoma is less than 5mm in diameter. We have studied the usefulness of dynamic CT scans particularly for diagnosis of small microadenomas.

The dynamic CT scans were performed for 61 nor-mal pituitary glands and 68 pituitary adenomas (36 mic-roadenomas, 32 macroadenomas) with a GECT/T 9800 scanner. Coronal sections of 1.5mm thickness were taken at the plane just in front of the pituitary stalk of the pituitary gland.


Copyright © 1988, 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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