نتایج جستجو برای: vestibular schwannoma
تعداد نتایج: 17887 فیلتر نتایج به سال:
Stereotactic Radiosurgery has been widely utilized for the treatment of intracranial lesions, and this paper presents our experience in treating schwannomas Bangladesh. This case series was described to present institutional procedural technique adapted using stereotactic (SRS) by Linear accelerators. since starting radiosurgery program March 2019, we have treated three patients schwannoma. Two...
Subarachnoid Hemorrhage (SAH) is most commonly caused by trauma, aneurysms, other vascular lesions, and infrequently malignant tumors such as gliomas or metastasis; however, benign intracranial tumors such as meningiomas or schwannomas are an uncommon cause. Vestibular schwannomas, accounting for approximately 8% of all intracranial tumors and 80% of Cerebellopontine Angle (CPA) neoplasms are t...
Cerebellar glioblastoma multiforme (cGBM) is rare in adults, accounting for <1% of all patients with glioblastoma multiforme (GBM). The accurate diagnosis of cGBM is important for establishing a suitable therapeutic schedule. However, the diagnosis of cerebellar GBM is not usually suspected preoperatively because of its rarity. Generally, patients with cGBMs typically presented with symptoms of...
OBJECTIVE To review the demographic trends clinical spectrum, diagnosis, management and out come of patients with vestibular Schwannoma and to identify areas where improvements are needed. METHODS All patients with vestibular schwannoma admitted to the Aga Khan University Hospital over the past 11 years were reviewed retrospectively. RESULTS The age range of majority of 22 patients analyzed...
N eurofibromatosis 2 (NF2) is an autosomal dominant disease associated with mutations in the gene NF2. In clinical practice, the diagnosis is made if a patient satisfies the 1987 National Institutes of Health diagnostic criteria, which are either the presence of bilateral vestibular schwannomas or a first degree relative with NF2 and a unilateral vestibular schwannoma, or any two of the followi...
BACKGROUND Vestibular reflexes, evoked by human electrical (galvanic) vestibular stimulation (EVS), are utilized to assess vestibular function and investigate its pathways. Our study aimed to investigate the electrically-evoked vestibulo-ocular reflex (eVOR) output after bilateral and unilateral vestibular deafferentations to determine the characteristics for interpreting unilateral lesions suc...
We report the case of a 71-year-old man who presented with a 2-year history of progressive left-sided hearing loss caused by a cerebellopontine angle mass lesion with classic imaging characteristics of a vestibular schwannoma. Vestibular schwannomas are typically diagnosed on dedicated MRI of the internal auditory canals obtained for asymmetric sensorineural hearing loss, as in this case. We re...
Plexiform schwannoma is a rare benign neoplasm of the neural sheath characterized by a multinodular plexiform growth pattern. The tumor usually occurs as an isolated finding, although rare cases have been reported in association with neurofibromatosis type 2 (NF2). A 25-year-old man was admitted for foot drop. He had an asymptomatic skin-colored nodule on his neck that had been present for 10 y...
QUESTION Are there residual deficits in balance, mobility, and gaze stability after surgical removal of vestibular schwannoma? DESIGN Observational study. PARTICIPANTS Twelve people with a mean age of 52 years who had undergone surgical removal of vestibular schwannoma at least three months previously and had not undergone vestibular rehabilitation. Twelve age- and gender-matched healthy pe...
The NF2 gene encodes the tumour suppressor protein merlin. The mutation of a single allele of this gene causes the autosomal dominantly inherited disease neurofibromatosis type 2 (NF2), which is characterized mainly by vestibular schwannoma carrying a second hit mutation. Complete lack of merlin is also found in spontaneous schwannomas and meningiomas. As the events leading to schwannoma develo...
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