Abstract
OBJECTIVEWe report an extremely rare case of pneumocephalus after cochlear implantation. METHODCase report and a review of the world literature on pneumocephalus after cochlear implantation. RESULTSWe present a case of uneventful cochlear implantation in a patient with nasal polyposis. Post-operative nose blowing resulted in subcutaneous emphysema pneumocephale presenting five weeks post surgery. This resolved on conservative therapy, and the patient went on to use her implant successfully. CONCLUSIONTo our knowledge this is the first report in the world literature of delayed onset as well as asymptomatic pneumocephalus after cochlear implantation.