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A follow-up study on outcomes of endoscopic transsphenoidal approach for acromegaly.

Abstract：

OBJECTIVE:A thorough follow-up study in which the same clinic presents the change in the surgical outcomes of acromegaly over the years, is still lacking in the endoscopic era. In this study, we intended to evaluate the clinical characteristics, radiological features, surgical and late remission rates of newly diagnosed acromegaly patients treated in our clinic between 2014 and 2019 in order to delineate the surgical remission status according to radiological, microscopic, and hormonal features. As a follow-up to our initial report, we also aimed to display the change of surgical remission rates over time in a tertiary center. METHODS:A total of newly diagnosed 106 patients with acromegaly, who underwent endoscopic endonasal trans-sphenoidal approach (EETSA) in the last five years were retrospectively analyzed and presented in this study. Medical records were reviewed in clinical, biochemical, pathological, and radiological aspects to assess the relationship of preoperative patient characteristics with surgical remissions. RESULTS:The percentages of the giant pituitary adenomas (≥4 cm), adenomas with suprasellar extension and adenomas with surgically proven invasion of the cavernous sinus in the present series were 13%, 34%, and 20%, respectively. Gross total resection was achieved in 80% of the patients. Surgical remission and late remission rates were 66% and 86%, respectively. Nine (9.4%) patients in our current report had postoperative transient diabetes insipidus. The mean follow-up period in this series was 36.1 ± 18.1 (range 12-59) months. CONCLUSION:The presented surgical results are considerably better than our published initial series of acromegaly patients operated in the same clinic between 2007 and 2014. The improvement in surgical remission rate support a positive surgical volume - remission rate relationship for acromegaly in the era of endoscopic endonasal skull base approaches. One possible factor for better results may be the increasing surgical experience in EETSA, which follows a trend toward gradual improvement of long-term late remissions via a multidisciplinary approach.

journal_name

Clin Neurol Neurosurg

journal_title

Clinical neurology and neurosurgery

authors

Aydin S,Ozoner B,Sahin S,Alizada O,Comunoglu N,Oz B,Gazioglu N,Kadioglu P,Tanriover N

doi

10.1016/j.clineuro.2020.106201

subject

Has Abstract

pub_date

2020-11-01 00:00:00

pages

106201

eissn

0303-8467

issn

1872-6968

pii

S0303-8467(20)30544-8

journal_volume

198

pub_type

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A follow-up study on outcomes of endoscopic transsphenoidal approach for acromegaly.