Abstract
Background
First-line therapy of Cushing disease (CD) is transsphenoidal surgery (TSS) aimed to obtain a complete removal of the pituitary adenoma and remission of disease.
Purpose
To analyse the surgical outcome of patients with CD who underwent TSS in our Centre.
Methods
Retrospective analysis on patients with CD who underwent TSS between 1990 and 2016.
Results
We analysed 102 TSS that included: 84 first TSS and 18 second and third TSS. The overall remission rate after surgery was 76.5%, with a significant higher percentage of remitted patients after the first TSS compared to the subsequent TSS (82% vs 50%, p = 0.014). The remission after the first TSS was significantly higher when performed by a dedicated surgical team (DST) (89.8% vs 71% p = 0.04) and when the immunohistochemical examination confirmed the adrenocorticotropic adenoma (87% vs 55%, p = 0.04). Neuroradiological findings influenced the surgical outcome in a non-significant manner. Post-TSS complications were reported in 32 patients, with no significant variation when TSS was performed by DST. In case of reintervention, remission of disease was obtained in 72.7% of microadenoma, while no remitted patients were observed in case of macroadenomas. The DST did not significantly improve the outcome.
Conclusion
Cushing disease is characterized by a broad spectrum of neuroradiological presentation. Despite the availability of a DST make the TSS a safe and effective first-line treatment among all these patients, a precise pre-treatment evaluation is needed in order to define the aim of neurosurgery and to schedule the management of recurrent disease.
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Acknowledgements
We thank Prof. Bruno Ambrosi for providing us some of the missing data and his expertise in the field of Cushing disease. We also thank endocrine nurse specialists of Endocrinology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico of Milan for their professionalism in executing endocrine dynamic test.
Funding
This study was supported by the Associazione Italiana Ricerca sul Cancro (Grant IG 2017-20594 to G. Mantovani), Ricerca Corrente Funds from the Italian Ministry of Health, and Progetti di Ricerca di Interesse Nazionale (PRIN) (Grant 2015ZHKFTA to G. Mantovani).
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ALS analysed the data, and wrote certain paragraphs (Materials and methods and Results) of manuscript. GD, ES, GC, and, RI and GR collected the data and draft the study protocol required by the Ethics Committee. ML, GC, GB, GM analysed the data and provided intellectual input. GM, MA, CG, and revised the project and critically reviewed the manuscript. EF designed the study and wrote the remaining paragraphs. All authors approved the final version of the manuscript.
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The study was approved by the Ethics Committee of Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico of Milan (Comitato Etico Milano Area 2, number 651_2019).
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M. Arosio and E. Ferrante are co-last authors.
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Serban, A.L., Del Sindaco, G., Sala, E. et al. Determinants of outcome of transsphenoidal surgery for Cushing disease in a single-centre series. J Endocrinol Invest 43, 631–639 (2020). https://doi.org/10.1007/s40618-019-01151-1
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DOI: https://doi.org/10.1007/s40618-019-01151-1