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Erschienen in: Acta Neurochirurgica 6/2021

07.04.2021 | How I Do it - Pituitaries

Techniques and challenges of the expanded endoscopic endonasal sellar and parasellar approaches to invasive pituitary tumors

verfasst von: Thaïs Cristina Rejane-Heim, Giuliano Silveira-Bertazzo, Ricardo L. Carrau, Daniel M. Prevedello

Erschienen in: Acta Neurochirurgica | Ausgabe 6/2021

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Abstract

Background

Superb knowledge of surgical anatomy and nuances to remove the natural barriers preventing full access to the paramedian skull base determines the ease of using the expanded sellar/parasellar approaches as the main gateway for all the parasagittal modules during endoscopic endonasal access (EEA) to pituitary tumors with cavernous sinus (CS) invasion.

Methods

Throughout stepwise-cadaveric dissections and pertinent intraoperative analysis, we describe surgical pearls and pitfalls of the parasellar-EEA with special references to the utility of various lines/classifications on neuroimaging correlated with strategies to enhance surgical safety and tumor resection.

Conclusion

EEA to invasive parasellar pathologies needs to address strict bleeding control and displacement of neurovascular structures inside the CS, posing a chance for neurologic morbidities/ICA injury. Meticulous utilization of operative landmarks and strategies can help avoid and mitigate surgical complications.
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Metadaten
Titel
Techniques and challenges of the expanded endoscopic endonasal sellar and parasellar approaches to invasive pituitary tumors
verfasst von
Thaïs Cristina Rejane-Heim
Giuliano Silveira-Bertazzo
Ricardo L. Carrau
Daniel M. Prevedello
Publikationsdatum
07.04.2021
Verlag
Springer Vienna
Erschienen in
Acta Neurochirurgica / Ausgabe 6/2021
Print ISSN: 0001-6268
Elektronische ISSN: 0942-0940
DOI
https://doi.org/10.1007/s00701-021-04805-3

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