Toxic secretions from intracranial tumor damage the inner ear

In some cases of vestibular schwannoma, a sometimes-lethal tumor often associated with neurofibromatosis 2 (NF2), secretions from the tumor contain toxic molecules that damage the inner ear. The findings explain why some vestibular schwannomas cause hearing loss even though they are not large enough to compress nearby structures that control hearing.
Source: ScienceDaily Headlines - Category: Science Source Type: news