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A Nonfunctioning Suprasellar Ectopic Pituitary Adenoma. A Case Report Gohei SO 1 , Tomoki TAKESHITA 1 , Yoichi MOROFUJI 1 , Masachika ISEKI 2 , Tomayoshi HAYASHI 3 , Takayuki MATSUO 1 , Kazuhiko SUYAMA 1 , Izumi NAGATA 1 1Department of Neurosurgery,Nagasaki University School of Medicine 2Department of Clinical Pathology,Sasebo Kyosai Hospital 3Department of Neurosurgery,Nagasaki University School of Medicine Keyword: ectopic pituitary adenoma , pituitary stalk , nonfunctioning , suprasellar tumor pp.1121-1125
Published Date 2008/12/10
DOI https://doi.org/10.11477/mf.1436100854
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 A case of nonfunctioning suprasellar ectopic pituitary adenoma in a 49-year-old man is reported. The patient was refered to us with a partial visual field defect of the right eye. Neuroendocrinological examinations showed slightly higher levels of adrenocorticotrophic hormone and prolactin. MR imagings revealed an enhancing suprasellar tumor and a normal pituitary gland in the sella turcica. The patient underwent a craniotomy and the tumor was partially removed, although it was firmly attached to the pituitary stalk. The tumor was diagnosed histologically as a nonfunctioning pituitary adenoma. Cases of nonfunctioning suprasellar ectopic pituitary adenoma have rarely been reported. The pathophysiology of such tumors is discussed.


Copyright © 2008, 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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