Cochlear implant in a patient with neurofibromatosis type 2 undergoing radiotherapy.

eurofibromatosis type 2 (NF2) is a rare disease, characerized by a mutation in the long arm of chromosome 2 that leads to the development of bilateral vestibular chwannomas (VS) in approximately 90% of patients with this yndrome.1--4 The control of tumor growth and hearing preservation are he cornerstones of its treatment, which can be carried out y surgery or radiotherapy, considering the size of the lesion nd the presence of functional hearing. The possibilities of hearing rehabilitation range from the daptation of conventional hearing aids (HA) to auditory