نتایج جستجو برای: Acoustic neuromas

تعداد نتایج: 86167  

Journal: :iranian journal of otorhinolaryngology 0
mohammad faraji rad department of neurosurgery, mashhad university of medical sciences, mashhad, iran

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...

2007
Louis J. Kim Jeffrey D. Klopfenstein Randall W. Porter Mark J. Syms

BARROW QUARTERLY • Vol. 20, No. 4 • 2004 Acoustic Neuromas: Symptoms and Diagnosis A understanding of the clinical manifestations of acoustic neuromas is essential for diagnosis. Once this lesion is suspected, the appropriate diagnostic tests are vital for treatment planning and pretreatment discussions with the patient. This article reviews the clinical presentation and diagnostic evaluation o...

Journal: :Postgraduate Medical Journal 1988

Journal: :Indian journal of otolaryngology and head and neck surgery : official publication of the Association of Otolaryngologists of India 2002
Naveen Chitkara Rakesh Chanda S P S Yadav N K Sharma

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.

Journal: :European journal of cancer prevention : the official journal of the European Cancer Prevention Organisation 2007
Lars Klaeboe Karl Gerhard Blaasaas Tore Tynes

To test the hypothesis that exposure to radio-frequency electromagnetic fields from mobile phones increases the incidence of gliomas, meningiomas and acoustic neuromas in adults. The incident cases were of patients aged 19-69 years who were diagnosed during 2001-2002 in Southern Norway. Population controls were selected and frequency-matched for age, sex, and residential area. Detailed informat...

Journal: :Current treatment options in neurology 2002
Douglas Kondziolka L. Dade Lunsford John C. Flickinger

Patients with acoustic neuromas have several treatment options that include observation, surgical resection, stereotactic radiosurgery, and fractionated radiotherapy. Resection is indicated for patients with larger tumors that have caused major neurologic deficits from brain compression. Surgeons perform stereotactic radiosurgery as the main alternative to acoustic tumor resection with the goal...

Journal: :AJNR. American journal of neuroradiology 1988
G E Valvassori F Garcia Morales E Palacios G E Dobben

MR performed with thin, contiguous sections has replaced CT for the study of the cerebellopontine angle and for diagnosis of acoustic neuromas. In our experience large acoustic neuromas are well seen in all pulse sequences. Tumors with small extracanalicular components are seen in the T1- and spin-density-weighted sequences whereas purely intracanalicular lesions are often visualized only in th...

Journal: :Neuro-oncology 2008
Arthur B Schneider Elaine Ron Jay Lubin Marilyn Stovall Eileen Shore-Freedman Jocelyn Tolentino Barbara J Collins

Childhood radiation exposure has been associated with an increased risk for developing several neoplasms, particularly benign and malignant thyroid tumors, but little is known about the risk of developing acoustic neuromas. The aim of this study was to confirm whether there is a risk for acoustic neuromas and, if so, to determine its magnitude and duration. We investigated the time trend and do...

Journal: :Pediatric Neurology Briefs 1988

Journal: :Archives of otolaryngology--head & neck surgery 2001
R J Schmidt R T Sataloff J Newman J R Spiegel D L Myers

OBJECTIVES To determine the sensitivity of auditory brainstem response (ABR) testing for detecting acoustic neuromas and to determine whether the test is less sensitive for detecting small tumors. DESIGN Retrospective review of the medical charts of 58 patients with acoustic neuroma who had all of the data necessary for inclusion in the study. SETTING University-affiliated referral practice...

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