Examined endoscopic findings at L2-3 and L1-2 levels.
Identified the presence of nucleus pulposus in dorsal epidural space.
No nucleus pulposus found at the L2-3 level.
Free nucleus pulposus discovered at the dorsal epidural space of the L1-2 level.
Abstract
Step1: Under endoscopy, no nucleus pulposus was found at the L2-3 level.Step2: Under endoscopy, a free nucleus pulposus at the dorsal epidural space of L1-2 level.