Fig. 4From: Application study of 3D LAVA-Flex on lumbar intervertebral disc degenerationImages of a 40-year-old male who had suffered from low back pain for 2 years. Sagittal T2WI (a), T1WI (b), 3D LAVA-Flex (c), and horizontal T2WI (normal) images of L3–4 segments (d). Virtual endoscopy (e) finding of normal L3-4 segments. In e, red arrow indicates right-sided intervertebral foramen, and green arrow normal intervertebral discBack to article page