نتایج جستجو برای: acoustic neuroma
تعداد نتایج: 86875 فیلتر نتایج به سال:
When acoustic neuromas are found in younger age groups, they are typically bilateral and associated with neurofibromatosis (NF). A unilateral acoustic neuroma in a child or adolescent without NF is rare. We report audiometric, auditory brainstem response (ABR) and magnetic resonance imaging (MRI) data for a 15-year-old male with an acoustic neuroma but without associated NF. The patient was see...
Predominantly cystic acoustic neuromas are rare and they usually present with clinical and radiological features different from their more common solid counterparts. Two cases of cystic acoustic neuromas are reported here.
INTRODUCTION AND OBJECTIVE The acoustic neuroma is a benign tumour that usually affects the vestibular portion of the vestibulocochlear nerve. It represents 8% of all intracranial tumours and 80% of those arising at the cerebellopontine angle. There are 3 treatment options: microsurgery (the technique of choice), radiosurgery and observation. The objective of the study was to evaluate the resul...
OBJECTIVE(S) To evaluate the clinical effectiveness and cost-effectiveness of a range of diagnostic strategies for investigating patients with unilateral hearing loss and/or tinnitus, with a view to confirming or eliminating a diagnosis of acoustic neuroma, and to describe the natural history of acoustic neuroma. DATA SOURCES Major electronic databases were searched from January 1980 to Augus...
BACKGROUND To better understand patterns of occurrence or diagnosis of brain tumours in different segments of the population, we evaluated associations between sociodemographic variables and the relative incidence of brain tumours as part of a multi-faceted case-control study. METHODS The study was conducted at hospitals in three US cities between 1994 and 1998. In all, 489 glioma cases (354 ...
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