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Related Concept Videos

Herniated Intervertebral Disc l: Introduction01:29

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: Pathophysiology01:23

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: Introduction01:27

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...
Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...

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Related Experiment Videos

Thoracic disk herniation manifesting as sciatica-like pain--two case reports.

Hyung-Lea Cho1, Sang-Ho Lee, Jin-Sung Kim

  • 1Department of Neurosurgery, Wooridul Spine Hospital, Seoul, Korea.

Neurologia Medico-Chirurgica
|January 29, 2011
PubMed
Summary

Thoracic disk herniation can mimic sciatica. Prompt diagnosis with thoracic spine MRI and surgical decompression using video-assisted thoracoscopic discectomy effectively resolves this debilitating pain.

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Area of Science:

  • Neurology
  • Neurosurgery
  • Spinal Imaging

Background:

  • Sciatica-like pain is often attributed to lumbar spine pathology.
  • Thoracic disk herniation is a rare condition that can present with atypical symptoms.

Observation:

  • Two patients experienced severe sciatica-like pain as their primary symptom.
  • Neurological examinations revealed subtle upper motor neuron signs.
  • Thoracic magnetic resonance (MR) imaging identified mid-thoracic disk herniations.

Findings:

  • Video-assisted thoracoscopic discectomy successfully relieved the patients' pain.
  • Surgical intervention for thoracic disk herniation led to complete symptom resolution.

Implications:

  • Thoracic disk herniation should be considered in cases of sciatica without clear lumbar findings.
  • Comprehensive neurological assessment and thoracic spine imaging are crucial for accurate diagnosis.
  • Early surgical intervention can significantly improve outcomes for thoracic disk herniation.