Surgical treatment of giant benign sacral neurogenic tumors using the posterior-only approach

Few studies have reported on the effects of surgery on giant benign sacral neurogenic tumors since these tumors represent a major challenge for surgical oncologists. In the present study, we retrospectively reviewed our experiences in performing resections of giant benign sacral neurogenic tumors using the posterior-only approach via "fishing" method, and assessed the outcomes of patients after this procedure.

We retrospectively reviewed and analyzed the records of 155 consecutive patients with giant benign sacral neurogenic tumors who underwent resection by a posterior-only approach in our center from Feb 2008 to Feb 2018.

Operations lasted for a mean of 183 ± 37 min (range, 125-230 min). The mean estimated blood loss during the surgery was 1098 ± 889 ml (range, 600-4100 ml). The mean follow-up time was 65 ± 39 months (range, 12-118 months). By the last follow-up, the local recurrence rate was 7.1% (11/155), the combined overall symptom resolution and remission rate was 91.1% (123/135), and the total complication rate was 17.4% (27/155).

The posterior-only approach is safe and effective in patients with giant benign sacral neurogenic tumors.