Bilateral internal auditory canal gangliogliomas mimicking neurofibromatosis Type II
نویسندگان
چکیده
منابع مشابه
Bilateral internal auditory canal gangliogliomas mimicking neurofibromatosis Type II.
BACKGROUND Gangliogliomas are rare low grade, typically well-differentiated, tumors that are composed of mature ganglion cells and neoplastic glial cells. These tumors can appear at virtually any location along the neuroaxis but classically occur in the temporal lobe of young patients. In a small number of cases, gangliogliomas have presented as masses in the brainstem or involving cranial nerv...
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The appearance of a primary germinoma in the central nervous system but not on or near the midline or within the brain is exceptional. It may occur at any age; however, it is rare in patients over 50 years old. Only a handful of cases of germinomas located in the cerebellopontine angle were presented, but to our knowledge, there has been no description of an isolated germinoma in the internal a...
متن کاملBilateral osseous stenosis of the internal auditory canal: case report
Osteomas as well as exostoses of the internal auditory canal are rare, benign, usually slow-growing lesions. The most common localizations of these temporal bone lesions are the mastoid cortex and the external auditory canal. A rare case is reported of bilateral osseous stenosis of the internal auditory canal, in the absence of clinical (auditory, vestibular and facial nerve) symptoms. In the a...
متن کاملPatulous internal auditory canal.
OBJECTIVE To investigate a rare anomaly of the internal auditory canal known as a patulous canal and its relationship to hearing impairment. METHODS High-resolution computed tomographic scans of the temporal bones of patients who presented between August 2001 and August 2002 were reviewed. The patients' medical charts were evaluated for age, sex, and hearing impairment, and the computed tomog...
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Rapid development of electronic hearing prostheses has allowed for the introduction of auditory brainstem implants (ABI) in patients with neurofibromatosis type II (NF2). In Poland, the Programme of Auditory Brainstem Implants commenced in January 1998 in close cooperation with the Ear, Nose, Throat and Neurosurgery Clinics of the University of Wurzburg and Klinikum Fulda, Germany (Skarzynski e...
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ژورنال
عنوان ژورنال: Surgical Neurology International
سال: 2016
ISSN: 2152-7806
DOI: 10.4103/2152-7806.180300