{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,20]],"date-time":"2025-10-20T17:58:19Z","timestamp":1760983099704},"reference-count":25,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[1994,5]]},"abstract":"<jats:p content-type=\"fine-print\">\u2713 The results of surgery in 66 patients with acoustic schwannoma in whom total tumor removal was accomplished are reviewed in terms of the relationships among tumor size, preoperative hearing level, operative findings (including the shape and location of the cochlear nerve at the tumor surface), and the extent of post-operative hearing preservation. Both tumor size and the preoperative hearing level were correlated with the shape of the cochlear nerve, which more frequently formed a solid bundle when the tumor was small or the preoperative hearing was excellent. Hearing was retained postoperatively only in cases in which the nerve formed a solid bundle and could be differentiated and separated from the tumor capsule without difficulty. These findings suggest that tumor size and preoperative hearing level, which have been reported to be the main prognostic factors of postoperative hearing preservation, may influence the results of surgery for acoustic schwannoma through the shape of the cochlear nerve.<\/jats:p>","DOI":"10.3171\/jns.1994.80.5.0844","type":"journal-article","created":{"date-parts":[[2009,5,28]],"date-time":"2009-05-28T14:47:59Z","timestamp":1243522079000},"page":"844-848","source":"Crossref","is-referenced-by-count":20,"title":["Preservation of hearing after surgery for acoustic schwannomas: correlation between cochlear nerve function and operative 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