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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...
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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...

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Related Experiment Video

Updated: May 31, 2026

Murine Hind Limb Explant Model for Studying the Mechanobiology of Achilles Tendon Impingement
08:19

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[Labral pathology and impingement].

O Hauger1, E Pelé, N Poussange

  • 1Service d'Imagerie Diagnostique et Thérapeutique de L'adulte, Hôpital Pellegrin, CHU de Bordeaux, Place Amélie Raba-Léon, 33076 Bordeaux cedex, France. olivier.hauger@chu-bordeaux.fr

Journal De Radiologie
|June 28, 2011
PubMed
Summary
This summary is machine-generated.

Femoroacetabular impingement (FAI) damages the hip labrum due to abnormal bone shape. Imaging helps radiologists identify FAI, guiding surgeons to improve hip function and prevent degeneration.

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Last Updated: May 31, 2026

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Area of Science:

  • Orthopedics
  • Radiology
  • Hip Joint Biomechanics

Background:

  • The acetabular labrum is crucial for hip joint stability and function.
  • Femoroacetabular impingement (FAI) involves abnormal contact between the femur and acetabulum, often due to underlying morphological abnormalities.
  • FAI can lead to acetabular labrum damage, causing hip pain and reduced range of motion.

Purpose of the Study:

  • To describe the imaging findings associated with femoroacetabular impingement (FAI) and acetabular labrum damage.
  • To highlight the radiologist's role in diagnosing FAI and guiding clinical management.
  • To emphasize the importance of comprehensive evaluation for optimizing surgical outcomes.

Main Methods:

  • Initial suspicion of FAI based on plain film radiography.
  • Further evaluation using computed tomography (CT) or magnetic resonance (MR) arthrography.
  • Radiological description of morphological abnormalities and associated lesions.

Main Results:

  • FAI is characterized by specific morphological abnormalities (Cam and Pincer effects).
  • Imaging modalities like CT and MR arthrography are essential for detailed assessment.
  • Radiologists identify structural issues contributing to labral damage.

Conclusions:

  • Accurate radiological assessment of FAI is vital for diagnosis and surgical planning.
  • Comprehensive evaluation aids in reducing painful symptoms and improving hip function.
  • Early detection and management can prevent premature hip joint degeneration.