Fig. 2From: Repeat epidural blood patch at the level of unintentional dural puncture and its neurologic complications: a case reportAn axial gadolinium-enhanced T1-weighted image at the level of L5 and a T2-weighted image at the same level. These images show clumpy cauda equina fibers within dura mater. White arrow indicates a cauda equina aggregated posteriorly, with identifiable blood in a white dot. The clumped, asymmetric appearance of cauda equina fibers and contrast enhancement indicates the existence of inflammationBack to article page