Petroclival lesions are among the most complex to address in skull base surgery, being closely related to critical neurovascular structures and brainstem. The combined petrosectomy allows a wide exposure of large petroclival lesions with short working distance and provides multiple angles of attack, while limiting brain retraction.
We describe in a step-wise fashion the surgical steps of the combined petrosectomy.
Combined petrosectomy with posterior transposition of the transverse-sigmoid sinus provides a wide surgical corridor to the ventral brainstem, middle and upper clivus, and infra-retrochiasmatic region.
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Hanakita, S., Watanabe, K., Champagne, PO. et al. How I do it: combined petrosectomy. Acta Neurochir 161, 2343–2347 (2019). https://doi.org/10.1007/s00701-019-04022-z
- Anterior petrosectomy
- Combined petrosectomy
- Petroclival region
- Posterior petrosectomy
- Skull base surgery