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10 years of experience in translabyrinthine acoustic neurinoma surgery combined with hearing rehabilitation by simultaneous cochlear implantation
18 April 2018 (online)
Deafness is a possible symptom of patients with an acoustic neurinoma. One option of hearing rehabilitation for affected patients is the cochlear implant (CI). Among other aspects, the audiological outcome after surgical removal and simultaneous cochlear implantation is of great interest.
Material & Methods:
A retrospective database analysis of data starting from 2007 was performed. Patients with the diagnosis of an acoustic neurinoma, who received a simultaneous cochlear implantation ipsilateral in the same operation as the surgical removal of the tumor at the ENT Department of the University of Würzburg, were included.
Five patients with an average age of 61 years at the date of the operation met the inclusion criteria. The tumor stage was T1 in three cases and T2 in two cases. All patients received a translabyrinthine acoustic neurinoma removal combined with a cochlear implantation. One patient had no auditory impression at all with the CI, two of them achieved a satisfying speech comprehension and the remaining two patients are still in the process of early hearing rehabilitation. The MRI follow-up, which has been performed in three of the patients so far, showed significant artifacts caused by the CIs. With thereby limited interpretation capacity, there was no indication of a tumor recurrence.
Simultaneous cochlear implantation in the same operation as the translabyrinthine acoustic neurinoma surgery can offer a satisfactory solution for hearing rehabilitation. The restricted possibility of MRI follow-up should be integrated into the pre-operative consultation of patients being affected.