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Leksell Radiosurgery for Vestibular Schwannomas.

08:00 EDT 16th May 2019 | BioPortfolio

Summary of "Leksell Radiosurgery for Vestibular Schwannomas."

Vestibular schwannomas (VS) are benign tumors predominantly originating from the balance portion of cranial nerve VIII. These tumors have an incidence of 1-2 per 100,000 people. The growth of these tumors is approximately 1-2 mm per year. A VS can result in significant neurologic dysfunction from continued growth or the management paradigms designed to control this predominantly benign tumor. The impacts on the critical space within the auditory canal and cerebellopontine angle can lead to hearing deficits, tinnitus, vestibular dysfunction, facial nerve deficits, and brain stem compression.

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Journal Details

This article was published in the following journal.

Name: Progress in neurological surgery
ISSN: 1662-3924
Pages: 82-90

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Medical and Biotech [MESH] Definitions

The vestibular part of the 8th cranial nerve (VESTIBULOCOCHLEAR NERVE). The vestibular nerve fibers arise from neurons of Scarpa's ganglion and project peripherally to vestibular hair cells and centrally to the VESTIBULAR NUCLEI of the BRAIN STEM. These fibers mediate the sense of balance and head position.

Vestibular nucleus lying immediately superior to the inferior vestibular nucleus and composed of large multipolar nerve cells. Its upper end becomes continuous with the superior vestibular nucleus. (From Dorland, 28th ed)

Pathological processes of the VESTIBULAR LABYRINTH which contains part of the balancing apparatus. Patients with vestibular diseases show instability and are at risk of frequent falls.

The 8th cranial nerve. The vestibulocochlear nerve has a cochlear part (COCHLEAR NERVE) which is concerned with hearing and a vestibular part (VESTIBULAR NERVE) which mediates the sense of balance and head position. The fibers of the cochlear nerve originate from neurons of the SPIRAL GANGLION and project to the cochlear nuclei (COCHLEAR NUCLEUS). The fibers of the vestibular nerve arise from neurons of Scarpa's ganglion and project to the VESTIBULAR NUCLEI.

The four cellular masses in the floor of the fourth ventricle giving rise to a widely dispersed special sensory system. Included is the superior, medial, inferior, and LATERAL VESTIBULAR NUCLEUS. (From Dorland, 27th ed)

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Hearing, auditory perception, or audition is the ability to perceive sound by detecting vibrations, changes in the pressure of the surrounding medium through time, through an organ such as the ear. Sound may be heard through solid, liquid, or gaseous mat...


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