Endoscopic Transsphenoidal Surgery of Microprolactinomas: A Reappraisal of Cure Rate Based on Radiological Criteria

Abstract Background Current standard treatment of microprolactinomas is dopamine agonist therapy. As this drug treatment is lifelong in up to 80% of cases, many patients consult pituitary surgeons regarding a surgical alternative. Objective To identify prognostic criteria for surgical remission, we...

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Vydáno v:Neurosurgery Ročník 85; číslo 4; s. 508 - 515
Hlavní autoři: Micko, Alexander, Vila, Greisa, Höftberger, Romana, Knosp, Engelbert, Wolfsberger, Stefan
Médium: Journal Article
Jazyk:angličtina
Vydáno: United States Oxford University Press 01.10.2019
Copyright by the Congress of Neurological Surgeons
Wolters Kluwer Health, Inc
Témata:
Adult
Aged
Agonists
Cabergoline
Cohort Studies
Endoscopy
Female
Humans
Logistic Models
Magnetic Resonance Imaging - methods
Male
Middle Aged
Neuroendoscopy - methods
Neurosurgery
Pituitary gland
Pituitary Neoplasms - diagnostic imaging
Pituitary Neoplasms - pathology
Pituitary Neoplasms - surgery
Prognosis
Prolactin
Prolactinoma - diagnostic imaging
Prolactinoma - pathology
Prolactinoma - surgery
Surgeons
Surgery
Treatment Outcome
Tumors
Young Adult
Austria
Endoscopic surgery
Medial cavernous sinus wall
Microprolactinoma
Dopamin agonist treatment
ISSN:0148-396X, 1524-4040, 1524-4040
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Shrnutí:Abstract Background Current standard treatment of microprolactinomas is dopamine agonist therapy. As this drug treatment is lifelong in up to 80% of cases, many patients consult pituitary surgeons regarding a surgical alternative. Objective To identify prognostic criteria for surgical remission, we reviewed outcomes of our series of microprolactinomas treated with endoscopic transsphenoidal surgery, with a special emphasis on magnetic resonance adenoma delineation and position. Methods Our study cohort comprises a single center series of 60 patients operated for histopathologically verified magnetic resonance imaging unequivocally identifiable endosellar microprolactinoma between 2003 and 2017. In 31 patients the adenoma was enclosed by pituitary gland (group ENC), in 29 patients the adenoma was located lateral to the gland adherent to the medial cavernous sinus wall (group LAT). Results After a mean follow-up of 37 mo (range 4-143 mo), remission rate was significantly higher in adenomas enclosed by pituitary gland (group ENC) than adenomas located lateral to the gland (group LAT), with 87% vs 45%, P = .01. Intraoperatively, 4 patients showed signs of invasiveness. Preoperative prolactin levels did not differ between the groups (mean 155 and 187 ng/ml in group ENC and LAT, respectively). A binary logistic regression model revealed that only the radiological criteria applied showed a significant correlation (P = .003) with endocrine remission. CONCLUSION According to our results, remission rate is significantly higher in microprolactinomas enclosed by the pituitary gland. However, the decision for surgery should take into account surgeons experience and possibility of complications.
Bibliografie:ObjectType-Article-1
SourceType-Scholarly Journals-1
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ISSN:0148-396X
1524-4040
1524-4040
DOI:10.1093/neuros/nyy385