Key Takeaways & Executive Findings
- •• A 2-year follow-up of a severe L5/S1 disc herniation demonstrated that comprehensive non-surgical treatment effectively promotes spontaneous resorption, with significant pain relief and MRI-confirmed reduction of the herniation. • Spontaneous resorption is driven by a coordinated interplay of inflammation, neovascularization, macrophage polarization, and matrix degradation, along with disruption of immune privilege and apoptosis/autophagy. • Key clinical predictors of resorption potential include herniation size and type, MRI rim enhancement, posterior longitudinal ligament integrity, Modic changes, and symptom duration/severity. • Future precision strategies should leverage single-cell sequencing, multimodal imaging, and deep learning to unravel molecular mechanisms, enable early prediction, and guide individualized treatment.
Abstract
BACKGROUND: Lumbar disc herniation is a prevalent spinal degenerative disorder in clinical practice. Traditional treatment predominantly relies on surgical intervention; however, the phenomenon of spontaneous resorption in lumbar disc herniation offers a novel non-surgical approach. OBJECTIVE: To investigate the efficacy of a comprehensive non-surgical treatment regimen in promoting the spontaneous resorption of a severely herniated L5/S1 disc through a two-year follow-up. METHODS: A patient with severe L5/S1 disc herniation was treated with a comprehensive non-surgical regimen including non-steroidal anti-inflammatory drugs, physical therapy, and exercise rehabilitation, and followed for two years. During follow-up, pain symptoms were closely monitored, and serial MRI examinations dynamically recorded the evolution of the herniation. Additionally, an extensive literature review was conducted to explore the underlying mechanisms of spontaneous resorption. RESULTS AND CONCLUSION: After two years of comprehensive non-surgical treatment, the patient's pain symptoms significantly alleviated, visual analog scale scores markedly decreased, and MRI clearly showed gradual resorption of the herniation, indicating the effectiveness of this therapy in promoting spontaneous resorption. Spontaneous resorption is accomplished by the synergistic action of multiple biological processes including inflammatory response activation, neovascularization, macrophage infiltration (M1/M2 polarization regulation), and matrix degradation. Key predictors of resorption potential include herniation characteristics, MRI rim enhancement, and posterior longitudinal ligament integrity. Future applications of single-cell sequencing, multimodal imaging, and deep learning technologies may elucidate molecular mechanisms, enable early prediction, and assist precise clinical treatment. In summary, this comprehensive non-surgical treatment protocol provides a reliable basis for the treatment of lumbar disc herniation, multi-mechanism synergy clarifies the resorption principle, key predictive indicators facilitate personalized treatment planning, and advanced technology applications point the way toward precision biological therapy and improved clinical outcomes.
1. Introduction
Lumbar disc herniation often leads to chronic low back pain and neurological dysfunction, and is one of the main causes of lumbosacral nerve root compression syndrome. Recent studies have shown that herniated nucleus pulposus tissue can undergo self-limited degeneration, a phenomenon that can lead to volume reduction or even complete disappearance without surgical intervention [1-2]. The discovery of nucleus pulposus spontaneous resorption provides a pathophysiological basis for conservative treatment [3-4]. This study demonstrates the clinical possibility of this biological process through a typical case presentation combined with serial imaging follow-up.
Traditional treatment for lumbar disc herniation has largely relied on surgical intervention, but the spontaneous resorption phenomenon offers a new perspective for non-surgical management. Understanding the underlying mechanisms and identifying predictive factors are crucial for optimizing treatment strategies and moving toward precision medicine.
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Aikeremujiang·Muheremu, Aikebaierjiang·Aisaiti, Alimujiang·Abudurousuli, Kutiluke·Shoukeer, Sala Yiding·Aierxiding, Abuduwupuer·Tailaiti, Abudunaibi·Aili, Jia Zhiwei (2026). Mechanism of spontaneous resorption in lumbar disc herniation and new strategies for precision treatment. Chinese Journal of Tissue Engineering Research. https://doi.org/10.12307/2026.21563
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Frequently Asked Questions
What is spontaneous resorption of lumbar disc herniation?
Spontaneous resorption refers to the phenomenon where a herniated lumbar disc reduces in size or completely disappears without surgical intervention, through biological processes such as inflammation, neovascularization, and matrix degradation.
What are the key mechanisms driving spontaneous resorption?
Key mechanisms include inflammatory response activation, neovascularization, macrophage infiltration (M1/M2 polarization), matrix degradation, disruption of immune privilege, apoptosis and autophagy, and disc dehydration.
What clinical predictors indicate a higher chance of spontaneous resorption?
Predictors include larger herniation size, certain herniation types (e.g., sequestration), MRI rim enhancement, intact posterior longitudinal ligament, Modic changes, and shorter symptom duration with less severe pain.
Can non-surgical treatment effectively promote spontaneous resorption?
Yes, a comprehensive non-surgical regimen including NSAIDs, physical therapy, and exercise rehabilitation can effectively promote spontaneous resorption, as demonstrated in a case with significant pain relief and MRI-confirmed reduction over two years.
What future technologies could enhance precision treatment for lumbar disc herniation?
Single-cell sequencing, multimodal imaging, and deep learning technologies hold promise for unraveling molecular mechanisms, enabling early prediction of resorption potential, and guiding individualized treatment strategies.
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