Created by: Robert Jackler (surgeon) and Christine Gralapp (artist). For legend references, please see the print book.

The retrosigmoid approach (RS) approach is the workhorse of the posterolateral neurosurgical techniques to access various posterior fossa structures and even extends into the middle fossa.

The retrosignoid approach is the most used exposure for posterior fossa skull base surgery. It provides a wide exposure to the CP angle and its neurovascular structures.

Apr 11, 2024 · What is a retrosigmoid craniotomy? A retrosigmoid craniotomy is a surgical approach that involves removing a small area of the skull, just behind the ear on either side of the head. The …

ced, di©erent cranial nerves and vascular structures can be accessed. The retrosigmoid approach is classically used for vestibular schwannoma surgery but with small variations it can be equally well …

Nov 11, 2025 · The retrosigmoid approach is a well-established surgical corridor to the posterior cranial fossa, and it is primarily used for accessing lesions in the cerebellopontine angle (CPA), such as …

Dec 3, 2023 · PDF | Retrosigmoid approach, in step by step with illustrated images in 10 pages | Find, read and cite all the research you need on ResearchGate

Apr 1, 2017 · Retrosigmoid Approach: This review describes the indications and techniques for the retrosigmoid approach for vestibular schwannoma, as performed by the skull base surgery group at …

Sep 1, 2023 · By recognizing patient-specific variations in known landmarks, the approach may be tailored prevent complications. The retrosigmoid approach is the workhorse of posterior fossa …

The retrosigmoid approach is an ideal approach for lateral posterior fossa pathology. This approach provides direct access to the lateral cerebellar hemisphere, cerebellopontine angle, and lateral skull …