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A Case of Rathke's Cleft Cyst in Association with a Ruptured Aneurysm of the Anterior Cerebral Artery Mimicking Pituitary Apoplexy Shigeyuki SAKAMOTO 1,2 , Fusao IKAWA 1 , Hitoshi KAWAMOTO 1 , Naohiko OHBAYASHI 1 , Eiichirou SAKODA 1 , Toshikazu HIDAKA 1 , Tetsuji INAGAWA 1 1Department of Neurosurgery, Shimane Prefectural Central Hospital 2Department of Neurosurgery, Mazda Hospital Keyword: magnetic resonance imaging , pituitary apoplexy , Rathke's cleft cyst , ruptured aneurysm , subarachnoid hemorrhage pp.199-203
Published Date 2002/2/10
DOI https://doi.org/10.11477/mf.1436902170
  • Abstract
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We present a rare case of a Rathke's cleft cyst in association with a ruptured aneurysm of the anterior cerebral ar-tery (ACA). A 44-year-old man suffered from sudden onset of headache. Initial computed tomographic (CT) scan re-vealed a high-density mass lesion in the suprasellar region and a diffuse high-density area in the basal cistern. Using emergent magnetic resonance imaging (MRI), we found a cyst showed homogeneously high and iso-intensity on T1 and T2-weighted image, respectively. The cyst showed no enhancement of the cyst wall, but on Gd-DTPA, it was shown to compress the normal pituitary gland.


Copyright © 2002, 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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