title: Arachnoid cyst simulating intrameatal acoustic neuroma.
abstract: A very rare cause of perception deafness wass found in a child with an intrameatal arachnoid cyst. This case is the second reported in the literature.
mesh_terms: D001099:Arachnoid; D001927:Brain Diseases / Q000175:diagnosis* / Q000473:pathology; D002648:Child; D003560:Cysts / Q000175:diagnosis* / Q000473:pathology; D003638:Deafness / Q000209:etiology; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D009442:Neurilemmoma / Q000175:diagnosis*; D000159:Vestibulocochlear Nerve