Related Experiment Video
Updated: Jun 3, 2026

10:09
Transtubular Endoscopic Posterolateral Decompression for L5-S1 Lumbar Lateral Disc Herniation
Published on: October 14, 2022
A Comprehensive Assessment of Clinical, Radiological, and Histopathological Parameters in Lumbar Disc Herniation
Turkish Neurosurgery
|June 2, 2026
Summary
This study analyzed disc tissue to understand degeneration and recurrence after surgery. Histopathology combined with clinical and imaging data offers deeper insights than imaging alone.
Area of Science:
- Spine Surgery
- Biomaterials Science
- Orthopedic Research
Background:
- Disc degeneration and recurrence after lumbar discectomy are significant clinical challenges.
- Current radiological grading systems (e.g., Pfirrmann, Modic) have limitations in predicting outcomes and recurrence.
- Understanding the biological mechanisms requires integrating various data types.
Purpose of the Study:
- To investigate the biological mechanisms of disc degeneration and recurrence.
- To correlate histopathological features with clinical and radiological findings.
- To develop a more holistic understanding beyond traditional grading systems.
Main Methods:
- Retrospective analysis of 87 patients undergoing lumbar discectomy (2019-2024).
- Preoperative magnetic resonance imaging (MRI) with Pfirrmann grading.
- Semi-quantitative histopathological analysis of excised disc tissue.
- Statistical correlation (Spearman, ANOVA) between clinical, radiological, and histopathological data.
Main Results:
- Higher Pfirrmann grades correlated significantly with radiological instability.
- Histopathological analysis revealed specific tissue changes associated with degeneration.
- Further analysis explored matrix correlations between different data types (details pending full results).
Conclusions:
- Histopathological analysis provides crucial insights into disc degeneration and recurrence mechanisms.
- Integrating clinical, radiological, and histological data offers a more comprehensive understanding of postoperative outcomes.
- This approach may improve prediction of recurrence and guide treatment strategies.
Related Concept Videos
Herniated Intervertebral Disc l: Introduction
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...
Degenerative Disc Disease ll: Pathophysiology
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...
Degenerative Disc Disease I: Introduction
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...