2024年4月11日 · Retrosigmoid craniotomy is a surgical approach that can treat brain tumors, lesions, and other health conditions that affect the posterior fossa, an area at the back of the skull.

Retrosigmoid Approach; Microsurgery of Acoustic Neuroma; Middle Fossa Approach. Middle Fossa Approach to the Internal Auditory Canal; Extended Middle Fossa Approach to the Cerebellopontine Angle; Combined Craniotomies: Posterior & Middle Fossae. Combined transpetrosal – middle fossa approaches; Middle fossa transpetrous apex approach to the ...

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. Many studies have detailed two-dimensional (2D) descriptions ...

Retrosigmoid Approach. The retrosigmoid approach, with which most neurosurgeons are familiar, is versatile for the treatment of different pathologies. It is the most common approach for exposing the IAC with a trajectory parallel to the petrous surface.

Resection of a Large Acoustic Neuroma through the Retrosigmoid Approach: Maximizing Efficiency and Facial Function. Please note the relevant information for patients with acoustic neuroma is presented in another chapter. Please click here for patient-related content.

2017年4月1日 · The retrosigmoid or lateral suboccipital approach is the most commonly used approach and is also indicated for tumors of all sizes, particularly when hearing preservation is the goal. The retrosigmoid approach offers an excellent …

2023年2月6日 · The retrosigmoid craniotomy is a safe and effective approach to treating the lesions at the base of the skull behind the ear. A highly skilled surgeon with expertise in the technique can perform the procedure without causing complications.

In this article, we present our recent series of intrinsic pontomedullary ventral lesions that were treated following a simple protocol based on the retrosigmoid approach, the identification of pontomedullary safe entry areas, and a delicate microsurgical resection of the lesion.

2015年6月13日 · The retrosigmoid approach provides the best access to the lower portion of the CPA and can be extended to expose the foramen magnum when required. Transtemporal approaches to the CPA are limited in their inferior exposure by …

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 base, including the posterior petrous bone.