Reoperation rate after microsurgical operations performed at the upper lumbar disc levels

S. Hopf, R. Buchalla, V. Klotz-Regener, O. Rubarth & W. Börm
Objective: Disc herniations of the upper lumbar spine (L 1-2 and L 2-3) have a frequency of 1 to 2 % of all lumbar disc herniations. In this study we compare outcome, recurrence, and frequency of instability after sequestrectomy or microdiscectomy. Methods: A retrospective assessment of 141 [for full text, please go to the a.m. URL]