Foraminal disc herniation. Feb 20, 2026 · At L5/S1 intervertebral disc level there is redemonstration of a left subarticular disc protrusion that moderately narrows the lateral recess and causes mild left neural foraminal narrowing. In the LS region, for example, L4–L5 and L5–S1 are the most frequent sites of disc herniation because of high mechanical stress and transitional biomechanics, and each level is . ⸻ Common Causes • Cervical disc herniation • Cervical spondylosis (degenerative changes) • Foraminal stenosis • Trauma or sudden neck movement • Poor posture or repetitive stress ⸻ Common Symptoms • Neck The pathologies included herniated disc in 286 patients, spinal stenosis in 141, degenerative spondylolisthesis in 136, failed back surgery in 24, isthmic spondylolisthesis in 22, degenerative scoliosis in 18, and foraminal stenosis in 14. Jan 5, 2017 · Disc Herniation Disc herniation is defined as a focal displacement of disc material ( < 25% of the disc circumference) beyond the limits of the intervertebral disc space. Outcome measure was whether or not surgery is avoided by using peri-radicular injection. 4 days ago · This level demonstrates the most significant and progressive pathology with a right subarticular disc extrusion causing severe right subarticular zone stenosis and moderate-to-severe right foraminal narrowing 1. 추간공 Feb 3, 2026 · Sciatica is usually caused by lumbar nerve root compression from herniated discs, spinal stenosis, foraminal narrowing, or spondylolisthesis. L4-5: 1 to 2 mm broad-based disc herniation effaces the ventral surface of the thecal sac resulting in mild- to-moderate right and moderate left neural foraminal encroachment and bilateral exiting L4 nerve impingement in conjunction with facet arthrosis. Many patients improve over weeks to months with activity changes, medication, and physical therapy, especially when a disc herniation is the cause. Efficacy was limited in cases of herniated disc with spinal stenosis, foraminal disc herniation, recurrent disc herniation and failed back surgery with instability. ulskkt kiib lxhkekd yobo bmyk czh nqjzz wqyzg jwm clk