Fig. 5
From: Application study of 3D LAVA-Flex on lumbar intervertebral disc degeneration
Virtual endoscopy images of L4–5 and L5–S1 segment intervertebral disc prolapse in a 40-year-old male who had suffered from low back pain for 2 years. L4–5 segment intervertebral disc (a, c). Red arrow indicates right-sided intervertebral foramen, green arrow globular protruded intervertebral disc and yellow arrow compressed left-sided intervertebral foramen. L5–S1 segment intervertebral disc (b, d). Blue arrow indicates protruded intervertebral disc and pink arrow compressed left-sided intervertebral foramen