Fig. 1From: Incidence of early postoperative complications requiring surgical revision for recurrent lumbar disc herniation after spinal surgery: a retrospective observational study of 9,310 patients from the German Spine RegisterMRI T2 weight from the Lumbar spine. a and b show a massive Lumbar Disc Herniation in the Segment L4/L5 in sagital and axial views. c and d show after 36 h an early recurrent disc herniation with postoperative Bleeding (↑) and compression of the Cauda Equina causing bowel and bladder retention in sagital and axial viewsBack to article page