نتایج جستجو برای: acoustic schwannoma
تعداد نتایج: 90482 فیلتر نتایج به سال:
acoustic neuromas (an) are schwann cell-derived tumors that commonly arise from the vestibular portion of the eighth cranial nerve also known as vestibular schwannoma(vs) causes unilateral hearing loss, tinnitus, vertigo and unsteadiness. in many cases, the tumor size may remain unchanged for many years following diagnosis, which is typically made by mri. in the majority of cases the tumor is s...
abstract a cystic acoustic neurinoma almost entirely consists of a cystic component and is a well recognized subtype of acoustic schwannoma. we report a case of a 40-year- old male patient who presented with clinical features of a left cerebello-pontine angle mass lesion and ct scan findings mimicking the diagnosis of an epidermoid cyst. however intraoperative and histopathological findings w...
Magnetic Resonance Imaging (MRI) has been the primary imaging modality and has revolutionized the imaging of brain tumors. MRI can display accurate multi planer imaging without interfering of adjacent structures specially for posterior fossa mass lesion. MRI is the imaging modality of choice for cerebollo-pontine (CP) angle Schwannoma. The study was performed to determine, the diagnostic accura...
PURPOSE To determine whether unenhanced high-resolution T2-weighted fast spin-echo MR imaging provides an acceptable and less expensive alternative to contrast-enhanced conventional T1-weighted spin-echo MR techniques in the diagnosis of acoustic schwannoma. METHODS We reviewed in a blinded fashion the records of 25 patients with pathologically documented acoustic schwannoma and of 25 control...
BACKGROUND Vestibular schwannoma (acoustic neuroma) most commonly presents with ipsilateral disturbances of acoustic, vestibular, trigeminal and facial nerves. Presentation of vestibular schwannoma with contralateral facial pain is quite uncommon. CASE PRESENTATION Among 156 cases of operated vestibular schwannoma, we found one case with unusual presentation of contralateral hemifacial pain. ...
vestibular schwannoma is the most common tumor of the posterior fossa of the skull. patients referred with the primary otologic symptoms such as hearing loss, tinnitus, vertigo, imbalance, and the cranial nerve palsy. thirty-three patients were operated and treated by a team of otolaryngologist and neurosurgeon, anudiometrist, and internist. patients'chiefcomplaint was due to 94% hearing l...
We report a rare case of glossopharyngeal schwannoma whose clinical presentation and the radiological work up suggested an acoustic schwannoma. The diagnosis was made at surgery, once attachment to ninth cranial nerve was seen. The clinical presentation, radiological features and surgical findings of the glossopharyngeal schwannoma are presented along with the review of literature.
Acoustic neuromas (AN) are schwann cell-derived tumors that commonly arise from the vestibular portion of the eighth cranial nerve also known as vestibular schwannoma(VS) causes unilateral hearing loss, tinnitus, vertigo and unsteadiness. In many cases, the tumor size may remain unchanged for many years following diagnosis, which is typically made by MRI. In the majority of cases the tumor is s...
For citation purposes: Passier L, Doherty D, Smith J, McPhail SM. Vestibular rehabilitation following the removal of an acoustic neuroma: a systematic review of randomized trials. Head Neck Oncol. 2012 Sep 9;4(2):59. Copyright © 2012 OA Publishing London Abstract Introduction An acoustic neuroma (also known as vestibular schwannoma) is an intracranial tumour of the vestibular nerve that is comm...
PURPOSE To compare constructive interference in the steady state (CISS) three-dimensional Fourier transform (3DFT) MR imaging with contrast-enhanced T1-weighted spin-echo MR imaging for accuracy in detecting acoustic schwannoma. METHODS One hundred twenty-five consecutive patients with possible acoustic schwannoma were examined. The accuracy of CISS-3DFT MR imaging in detecting abnormalities ...
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