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  • Title: Rare lesions of the posterior fossa with initial retrocochlear auditory and vestibular complaints.
    Author: Kinney WC, Kinney SE, Perl J, Lee JH, Chyatte D, Miller DW, Prayson RA.
    Journal: Am J Otol; 1997 May; 18(3):373-80. PubMed ID: 9149834.
    Abstract:
    OBJECTIVE: To catalog a series of rare lesions of the posterior fossa that appeared with unusual initial retrocochlear symptoms and signs and to make the reader more aware of these unusual lesions with a view to improving initial assessment and treatment planning. STUDY DESIGN: The study was a retrospective case review of seven patients. SETTING: Multidisciplinary team evaluation in a tertiary hospital referral center. PATIENTS: Patients with unusual lesions of the cerebellopontine angle and posterior fossa with initial retrocochlear symptoms and signs were included. INTERVENTIONS: Diagnostic and therapeutic. MAIN OUTCOME MEASURES: Hearing preservation and balance function. RESULTS: The rare lesions presented include two aneurysms of the anterior inferior cerebellar artery, one giant basilar artery aneurysm, and one each of the following neoplasms: endodermal cyst, choroid plexus papilloma, cavernous angioma, and ependymoma. CONCLUSIONS: A close working relationship among the otolaryngologist, neurotologist, neurosurgeon, and neuroradiologist is necessary to accurately evaluate these unusual cerebellopontine angle lesions and effect the best treatment outcome.
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