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A vestibular schwannoma (VS), also called acoustic neuroma, is a benign tumor that develops on the vestibulocochlear nerve that passes from the inner ear to the brain. The tumor originates when Schwann cells that form the insulating myelin sheath on the nerve malfunction.
Gamma knife radiosurgery can be performed on head tumors to help stop growth of a tumor, although there is no guarantee that it will work. The University of Pittsburgh published their experience with over 829 cases and reported 97% of patients had long term tumor control (defined as requiring no further treatment) with gamma knife radiosurgery.
Unilateral VS plus any two of meningioma, glioma, neurofibroma, schwannoma, posterior subcapsular lenticular opacities; Two or more meningioma plus unilateral VS or any two of glioma, schwannoma and cataract. Another set of diagnostic criteria is the following: [citation needed] Detection of bilateral acoustic neuroma by imaging-procedures
This is an accepted version of this page This is the latest accepted revision, reviewed on 28 January 2025. Neoplasm in the brain Medical condition Brain tumor Other names Intracranial neoplasm, brain tumour, brain cancer Brain metastasis in the right cerebral hemisphere from lung cancer, shown on magnetic resonance imaging Specialty Neurosurgery, neuro-oncology Symptoms Vary depending on the ...
The Acoustic Neuroma Association recommends that cell phone users use a hands-free device. Meningiomas are significantly more common in women than in men; they are most common in middle-aged women. Two predisposing factors associated with meningiomas for which at least some evidence exists are exposure to ionizing radiation (cancer treatment of ...
Ménière's disease (MD) is a disease of the inner ear that is characterized by potentially severe and incapacitating episodes of vertigo, tinnitus, hearing loss, and a feeling of fullness in the ear.
Acoustic neuroma (vestibular schwannoma) – benign neoplasm of Schwann cells affecting the vestibulocochlear nerve Meningioma – benign tumour of the pia and arachnoid mater Ménière's disease – causes sensorineural hearing loss in the low frequency range (125 Hz to 1000 Hz).
Pleural schwannoma typically shows fatty degeneration, hemorrhage, perivascular hyalinization, and cystic formation thus giving heterogenous hyperintensities on T2 weighted images. Complete surgical removal of pleural schwannoma is the usual treatment. [11] Cellular schwannoma is a relatively rare variation. Cellular schwannoma is nearly ...