Related Experiment Video
Updated: Apr 29, 2026

07:25
Ovine Lumbar Intervertebral Disc Degeneration Model Utilizing a Lateral Retroperitoneal Drill Bit Injury
Published on: May 25, 2017
11.3K
Summary
High-resolution computed tomography (CT) scans effectively reveal lumbar disc disease, including herniation and stenosis. This imaging provides crucial details for surgical planning in patients experiencing low-back pain.
Area of Science:
- Radiology
- Neurosurgery
- Orthopedics
Background:
- Computed tomography (CT) is a valuable tool for diagnosing lumbar disc disease.
- High-resolution scanners enhance visualization of spinal structures.
- CT aids in identifying disc degeneration, bulging, protrusion, and herniation.
Discussion:
- Abnormal disc attenuation characteristics indicate pathology in situ.
- Herniated disc fragments are clearly visualized in the epidural space.
- CT effectively detects foraminal and central stenosis.
Key Insights:
- High-resolution CT provides detailed imaging of lumbar disc disease.
- Abnormalities in attenuation and epidural space are key CT findings.
- CT is essential for pre-operative assessment of spinal stenosis.
Outlook:
- Further refinement of CT technology may improve diagnostic accuracy.
- Integration of CT findings with clinical data optimizes patient management.
- CT remains a cornerstone for evaluating patients with low-back pain and suspected disc pathology.
Related Concept Videos
Degenerative Disc Disease I: Introduction
29
Degenerative disc disease is a chronic condition in which intervertebral discs gradually lose structure and function. It is not infectious or autoimmune; rather, it results from age-related biochemical and mechanical changes, influenced by genetic, metabolic, and environmental factors.Structure and Function of DiscsThe spine contains 23 intervertebral discs that absorb load, distribute forces, maintain spacing, and allow flexibility. Each disc consists of a nucleus pulposus, a gel-like core...
29
Degenerative Disc Disease ll: Pathophysiology
29
The symptoms of degenerative disc disease arise from a combination of mechanical compression, vascular compromise, and biochemical inflammation, which together disrupt nerve function and produce pain.Mechanical CompressionDisc degeneration reduces height and elasticity, predisposing to herniation of the nucleus pulposus, a major cause of radicular pain. Herniations may be protrusion (bulging with intact annulus), extrusion (nucleus extends beyond disc but remains connected), or sequestration...
29
Herniated Intervertebral Disc l: Introduction
39
Intervertebral disc herniation refers to the displacement of the nucleus pulposus (the gel-like inner core of the disc) through a tear or weakened area in the annulus fibrosus (the outer fibrous ring). The displaced disc material extends beyond the normal boundaries of the disc space and may compress or irritate nearby spinal nerve roots or, less commonly, the spinal cord.Etiology and Risk FactorsHerniation commonly results from degeneration, in which aging reduces disc hydration and...
39

