The avoidance of surgery in the treatment of subarachnoid cutaneous fistula by the use of an epidural blood patch: technical case report.

In this report, we present two cases of subarachnoid-cutaneous fistula. In both of these cases, in epidural blood patch, a technique frequently used by anesthetists and radiologists, was successfully used to treat the fistulae, thus avoiding the need for open closure.