Two Cases of Hypopituitarism Caused by Intrasellar Aneurysm

Giant internal carotid artery aneurysms sometimes extend into the sellar region, which rarely but occasionally results in hypopituitarism due to the compression of the normal pituitary gland or hypothalamus. Hyponatremia is a known complication of hypopituitarism. We herein report two cases of hypop...

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Veröffentlicht in:Internal Medicine 2020/03/01, Vol.59(5), pp.677-681
Hauptverfasser: Kageyama, Kazunori, Kinoshita, Noriko, Terui, Ken, Moriyama, Takako, Kudo, Takanori, Daimon, Makoto
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container_end_page 681
container_issue 5
container_start_page 677
container_title Internal Medicine
container_volume 59
creator Kageyama, Kazunori
Kinoshita, Noriko
Terui, Ken
Moriyama, Takako
Kudo, Takanori
Daimon, Makoto
description Giant internal carotid artery aneurysms sometimes extend into the sellar region, which rarely but occasionally results in hypopituitarism due to the compression of the normal pituitary gland or hypothalamus. Hyponatremia is a known complication of hypopituitarism. We herein report two cases of hypopituitarism caused by intrasellar aneurysm of different origins, resulting in hyponatremia. Untreated hypopituitarism may lead to lethargy, coma, cardiac arrhythmia, and death. Therefore, we must be alert for the occurrence of giant intrasellar aneurysm, as it causes hypopituitarism. The prompt diagnosis and treatment of hypopituitarism are necessary to prevent this fatal outcome.
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subjects ACTH deficiency
Aneurysm
Arrhythmia
Carotid artery
Case Report
Coma
Compression
Hyponatremia
hypopituiarism
Hypopituitarism
Hypothalamus
Internal medicine
Pituitary
title Two Cases of Hypopituitarism Caused by Intrasellar Aneurysm
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