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  • Title: Computed tomography of acoustic neurinoma.
    Author: Robbins B, Marshall WH.
    Journal: Radiology; 1978 Aug; 128(2):367-70. PubMed ID: 663246.
    Abstract:
    Thirty-seven patients with 39 acoustic neurinomas were studied with computed tomography (CT). Six tumors (15%) were seen on the nonenhanced scans and infusion of contrast material demonstrated 23 more tumors. Ten tumors (26%) were not seen as soft-tissue masses on the enhanced CT scans. However, these same 10 cases yielded 4 ipsilateral abnormal internal auditory canals when viewed with a bone window. Findings suggestive of acoustic neurinomas were found in 85% of proven sites. Important factors in the CT diagnosis of acoustic neurinomas are good-quality, motion-free scans, contrast enhancement and analysis of bone detail.
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