学術雑誌論文 Clinical characteristics of acromegalic patients with empty sella and their outcomes following transsphenoidal surgery

Sasagawa, Yasuo  ,  Tachibana, Osamu  ,  Doai, Mariko  ,  Hayashi, Yasuhiko  ,  Tonami, Hisao  ,  Iizuka, Hideaki  ,  Nakada, Mitsutoshi

20 ( 4 )  , pp.403 - 408 , 2017-08-01 , Springer
ISSN:1386-341X
NII書誌ID(NCID):AA11488255
内容記述
Purpose: To analyze the clinical characteristics of acromegalic patients with empty sella (ES, herniation of the subarachnoid space within the sella turcica) and the impact of ES on transsphenoidal surgery in such patients. Methods: Seventy-eight patients, newly diagnosed with acromegaly who underwent transsphenoidal surgery were included. ES was defined as the pituitary gland and adenoma occupying less than 50% of the sella turcica on midsagittal magnetic resonance (MR) imaging. Results: Twelve patients (15.4%), predominantly female (10 women, p = .047), had ES in preoperative MR imaging. ES patients had smaller mean tumor diameter (6.3 mm) than non-ES patients (11.2 mm, p = .001). In preoperative MR imaging, occult adenoma was found in three (25%) ES and three (4.5%) non-ES patients (p = .044). Intraoperative cerebrospinal fluid (CSF) leakage was more frequent in the ES patients than in the non-ES patients (58.3 vs. 25.8%, p = .024). This led to an increased rate of sellar floor reconstruction using abdominal fat and/or postoperative lumber drainage in the ES patients (ES: 41.7 vs. non-ES: 16.7%, p = .063). Endocrinological remission after surgery was more frequent in the non-ES patients (72.7%) than in the ES patients (58.3%) (p = .248). Conclusions: Co-existence of acromegaly with ES is not rare, and is associated with occult adenoma, intra/postoperative CSF leakage, and a worse endocrinological outcome after transsphenoidal surgery; although, the underlying mechanism remains unclear. © 2017 Springer Science+Business Media New York
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http://dspace.lib.kanazawa-u.ac.jp/dspace/bitstream/2297/47118/1/HO-PR-SASAGAWA-Y-403.pdf

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