Bilateral internal auditory canal enlargement due to dural ectasia in neurofibromatosis
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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Bilateral sudden onset hearing loss and vestibular dysfunction due to metastatic carcinoma of the internal auditory canal (IAC) on both sides is an extremely rare occurrence. This is a challenging case in neuro-otology that is difficult to relieve by medical support, and spontaneous compensation by vestibular rehabilitation is minimal. The spread of tumor cells to the cerebrospinal space indica...
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...
متن کاملEnlargement of the Internal Auditory Canal and Associated Posterior Fossa Anomalies in PHACES Association.
We noted enlargement of the internal auditory canal in several of our patients with posterior fossa malformations, hemangiomas, arterial anomalies, cardiac defects, eye abnormalities, and sternal or supraumbilical defects (PHACES) association and hence evaluated children with PHACES for the presence of an enlarged internal auditory canal and potential associated findings, including infantile he...
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ژورنال
عنوان ژورنال: American Journal of Roentgenology
سال: 1977
ISSN: 0361-803X,1546-3141
DOI: 10.2214/ajr.129.5.935