[Meningitis and cerebrospinal liquid fistula as a complication from the surgery of endolymphatic sac].

A 28 years old woman diagnosed of Méniére's disease was surgically treated with a drainage from endolymphatic system and a valve placed. Six years after surgery, the patient presented a bacteria meningitis an a cerebrospinal fluid leak to mastoid was found. New surgery was needed. Complications of endolymphatic system surgery, its treatment and frequency are discussed. This case is a very rare.