Retrosigmoid approach for resection of petroclival meningioma

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This video describes the classic retrosigmoid approach for the resection of petroclival lesions. In this procedure, a careful dissection of the tumor within the arachnoid plane from the neurovascular structures is described. The key steps in the procedure are outlined, and include positioning, tumor devascularization, decompression, dissection from lower cranial nerves, IV, V cranial nerves and the VII-VIII complex and from the brainstem and closure of the dura, bone flap and the incision.

The video can be found here: http://youtu.be/DmutL7dBOxI.

This video describes the classic retrosigmoid approach for the resection of petroclival lesions. In this procedure, a careful dissection of the tumor within the arachnoid plane from the neurovascular structures is described. The key steps in the procedure are outlined, and include positioning, tumor devascularization, decompression, dissection from lower cranial nerves, IV, V cranial nerves and the VII-VIII complex and from the brainstem and closure of the dura, bone flap and the incision.

The video can be found here: http://youtu.be/DmutL7dBOxI.

Article Information

Contributor Notes

Address correspondence to: Anil Nanda, M.D., Department of Neurosurgery, Louisiana State University Health Sciences Center – Shreveport, 1501 Kings Hwy Shreveport, LA 71130 email: ananda@lsuhsc.edu.Please include this information when citing this paper: DOI: 10.3171/2014.V1.FOCUS13440.

© Copyright 1944-2019 American Association of Neurological Surgeons

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