نتایج جستجو برای: acoustic neuromas
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Gas CT cisternography has been shown to be an excellent technique for diagnosing intracanalicular acoustic neuromas [1, 2]. While other intracanalicular lesions, such as meningiomas, hemangiomas, cholesteatomas, gliomas, and hamartomas, are much less common, they do occur [3-6]. We describe the cisternographic findings in a patient with a purely intracanalicular vascular malformation and point ...
BACKGROUND Insulin-like growth factor-1 (IGF-I) is important in normal brain development but in the adult brain, IGF-I overexpression may be a risk factor for tumor development. METHODS We examined the association between circulating concentrations of IGF-I and IGFBP-3 in relation to risk of gliomas (74 low-grade, 206 high-grade gliomas), meningiomas (n = 174) and acoustic neuromas (n = 49) b...
OBJECTIVE To report the complications that occurred during a large series of surgical procedures for the removal of acoustic neuromas using the translabyrinthine approach. DESIGN Retrospective analysis. SETTING Neuro-otology practice with academic affiliation. Procedures were performed at either a university medical center or a community hospital in conjunction with a neurosurgery team. P...
To evaluate the capability of magnetic resonance (MR) in imaging normal acoustic nerves, 12 volunteers without signs or symptoms of intracranial disease were examined using a 0.6 T superconductive system. Several spin-echo (SE) pulse sequences were tested to identify the optimal sequence for demonstration of the acoustic nerve bundle. Repetition times (TRs) varied from 300 to 2000 msec and echo...
By the nature of their origin, acoustic neuromas always result in some degree of vestibular dysfunction. The implications of this are typically more notable postoperatively, rather than preoperatively or intraoperatively. However, preoperative vestibular assessment can have implications on operative approach and postoperative rehabilitation. This paper details the preoperative vestibular findin...
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