[Cerebrospinal fluid fistula--indications for treatment with lumbar puncture and drainage. Report of 66 cases].

The authors present a series of 66 cases of cerebrospinal fluid fistulas. Ways of localizing the fistula as well as different therapeutic methods are studied. They insist on the efficiency of external lumbar drainage of the cerebro-spinal fluid which permits a fair number of patients to recover without surgery.