Fig. 5From: Imaging of lumbar spinal surgery complicationsSagittal T2 (a), sagittal postcontrast (b), axial postcontrast images (c and e), and axial T2 WI (d). Left laminectomy at L4 with peripherally enhancing collection at the operative site. Multiloculated, peripherally enhancing collections were seen in the dorsal epidural space (arrow in d) compressing the thecal sac. A multiloculated epidural abscess was drained at surgeryBack to article page