Journal
ACTA NEUROCHIRURGICA
Volume 161, Issue 11, Pages 2343-2347Publisher
SPRINGER WIEN
DOI: 10.1007/s00701-019-04022-z
Keywords
Anterior petrosectomy; Combined petrosectomy; Petroclival region; Posterior petrosectomy; Skull base surgery
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Background 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. Method We describe in a step-wise fashion the surgical steps of the combined petrosectomy. Conclusion 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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