Bacterial meningitis of otological origin is caused by the pass of bacteria from a suppurated otitis to the central nervous system. Patients subjected to otological surgery have a higher risk of contracting it. We report a 30 years old female with a history of non progressive long lasting hear loss in the left ear, that suffered two episodes of bacterial meningitis after being subjected to a stapedotomy. Temporal CAT scan revealed a malformation of the inner ear. An exploratory tympanostomy showed a perilymphatic fistula that was repaired