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  • Title: Recurrence rates of acoustic neuroma in hearing preservation surgery.
    Author: Schessel DA, Nedzelski JM, Kassel EE, Rowed DW.
    Journal: Am J Otol; 1992 May; 13(3):233-5. PubMed ID: 1609851.
    Abstract:
    Several authors have detailed the microscopic appearance of the acoustic neuroma/cochlear nerve interface. Others have highlighted the anatomic relationships existent between the lateral end of the internal auditory canal (fundus) and the otic capsule, as viewed from the posterior fossa. Based on these findings, several have suggested that hearing preservation attempts are likely associated with tumor persistence. They therefore question the feasibility of hearing preservation surgery. In this study, computerized tomography or magnetic resonance imaging was carried out on 28 patients having previously undergone excision of an acoustic neuroma with intraoperative sparing of the cochlear and facial nerves. Scans were done at least 5 years following surgery. Results of this study and a discussion of the literature follow.
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