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CC BY-NC-ND 4.0 · Indian Journal of Neurosurgery 2021; 10(01): 061-064
DOI: 10.1055/s-0041-1726134
Original Article

Outcomes of Transsphenoidal Surgery in Growth Hormone-Secreting Pituitary Adenomas

Oleksandr Voznyak
1   Centre of Neurosurgery, Clinical Hospital “Feofaniya,” Kyiv, Ukraine
,
Andrii Lytvynenko
1   Centre of Neurosurgery, Clinical Hospital “Feofaniya,” Kyiv, Ukraine
,
Oleg Maydannyk
1   Centre of Neurosurgery, Clinical Hospital “Feofaniya,” Kyiv, Ukraine
,
Roman Ilyuk
1   Centre of Neurosurgery, Clinical Hospital “Feofaniya,” Kyiv, Ukraine
,
Yaroslav Zinkevych
1   Centre of Neurosurgery, Clinical Hospital “Feofaniya,” Kyiv, Ukraine
,
Nazarii Hryniv
2   Department of Neurosurgery, Shupyk National Medical Academy of Postgraduate Education, Kyiv, Ukraine
› Institutsangaben Funding None.
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Abstract

Growth hormone (GH)-secreting pituitary adenomas (PA) make up 15 to 20% of total amount of hormonally active adenomas. In addition to acromegaly and gigantism, these tumors cause deep metabolic disturbances. Its systemic impact leads to increased mortality ratio of 1.32 compared with general population. Surgical removal remains the priority treatment option in controlling acromegaly and provides endocrinologic remission in up to 72% patients. A total of 92 patients were included in the study. All surgeries were performed via microscopic transsphenoidal approach (TSA) by the senior author in our institution between December 2009 and October 2019. Only patients who were followed-up with 75 g oral glucose tolerance tests (OGTTs), GH, and insulin-like growth factor I (IFG-I) measurements preoperatively, 1 week, and every 6 months postoperatively were analyzed. Based on standard preoperative 1.5-T MR imaging with contrast enhancement, the adenomas were identified and distributed according to the size and KNOSP classification. The efficacy depends on KNOSP grade, which is directly correlated with invasiveness to cavernous sinus (CS). Grades 3 and 4 are unfavorable factors influencing prognosis. Excluding grade 0 adenomas, as the surgery was not difficult with the excellent outcomes, we reached 75% (36 out of 48) remission in grade 1 to 2 groups. In contrast, only 17% (2 out of 12) had successful outcomes after surgery alone. In conclusion, the study demonstrates the efficiency of TS surgery in patients with confirmed GH-secreting PA.

Keywords

pituitary adenoma - acromegaly - transsphenoidal approach


Publikationsverlauf

Artikel online veröffentlicht:
11. März 2021

© 2021. Neurological Surgeons’ Society of India. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/).

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