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Pineal Cyst:Its diagnosis and treatment Tetsuji SEKIYA 1 , Shigeharu SUZUKI 1 , Takashi IWABUCHI 1 1Department of Neurosurgery, Hirosaki University School of Medicine Keyword: Magnetic resonance imaging , Pineal cyst pp.715-721
Published Date 1994/8/10
DOI https://doi.org/10.11477/mf.1436900883
  • Abstract
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Four cases of pineal cyst were presented and their fea-tures on magnetic resonance (MR) imaging were dis-cussed while reviewing the literature relevant to this clinical entity.

Pineal cyst is a normal developmental variant and in most of the cases its diagnosis is not difficult, but in a limited number of cases, pineal cyst needs to be differ-entiated from cystic tumors which have developed in the region of the pineal gland, such as pineocytoma or astrocytoma. Most pineal cysts are found incidentally during MR screening studies and no surgical interven-tions are needed. Pineal cysts should be considered for surgery only when the diameter of the cyst is more than 1.0cm, or when obstructive hydrocephalus is veri-fied on MRI or CT, and/or when definitive neurologic-al signs such as Parinaud's syndrome are present. It was also stressed that embryological considera-tions are indispensable for evaluating pineal cysts on MR images.


Copyright © 1994, 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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