منابع مشابه
The different faces of facial nerve schwannomas.
Facial nerve schwannomas are rare benign tumors. The tumor can arise anywhere along the course of the facial nerve. The most common presentation for this tumor is a slowly progressive facial nerve paralysis. Sensorineural hearing loss (SNHL) and tinnitus are later symptoms. The symptoms and signs depend on the site of tumor along the nerve. We report three cases of facial nerve schwannomas with...
متن کاملGamma Knife surgery for facial nerve schwannomas.
OBJECT The aim of this study was to evaluate the tumor control rate and functional outcomes after Gamma Knife surgery (GKS) among patients with a facial nerve schwannoma. METHODS The authors reviewed the radiological data and clinical records for 14 patients who had consecutively undergone GKS for a facial nerve schwannoma. Before GKS, 12 patients had facial palsy, 7 patients had hearing dist...
متن کاملImaging of facial nerve schwannomas: diagnostic pearls and potential pitfalls.
Schwannomas are uncommon in the facial nerve and account for less than 1% of tumors of temporal bone. They can involve one or more than one segment of the facial nerve. The clinical presentations and the imaging appearances of facial nerve schwannomas are influenced by the topographical anatomy of the facial nerve and vary according to the segment(s) they involve. This pictorial essay illustrat...
متن کاملMajor nerve schwannomas vs intramuscular schwannomas
Background: A schwannoma is a benign peripheral nerve tumor. Predicting the involvement of a nerve on symptoms or MR findings is crucial to the diagnostic process. Purpose: To compare symptoms, MR findings, and histological findings between major nerve schwannomas and intramuscular schwannomas. Material and Methods: Thirty-four patients with 36 schwannomas (29 major nerve schwannomas and 7 intr...
متن کاملPreoperative Identification of Facial Nerve in Vestibular Schwannomas Surgery Using Diffusion Tensor Tractography
OBJECTIVE Facial nerve palsy is a common complication of treatment for vestibular schwannoma (VS), so preserving facial nerve function is important. The preoperative visualization of the course of facial nerve in relation to VS could help prevent injury to the nerve during the surgery. In this study, we evaluate the accuracy of diffusion tensor tractography (DTT) for preoperative identification...
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ژورنال
عنوان ژورنال: Skull Base
سال: 1991
ISSN: 1531-5010,1532-0065
DOI: 10.1055/s-2008-1056979