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Lumbosacral nerve root avulsion

C H Chin1, K C Chew

  • 1Institute of Orthopaedics and Traumatology, Hospital Kuala Lumpur, Malaysia.

Injury
|June 13, 1998
PubMed
Summary
This summary is machine-generated.

Lumbosacral nerve root avulsion, a rare injury often linked to pelvic fractures, can cause lower limb deficits. Lumbar myelography and MR imaging aid in diagnosing this condition, which may be missed in trauma patients.

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Area of Science:

  • Neurology
  • Trauma Surgery
  • Radiology

Background:

  • Lumbosacral nerve root avulsion is a rare clinical entity, with only 35 cases reported since 1955.
  • It is frequently associated with pelvic fractures and can be overlooked in initial assessments due to multiple injuries in trauma patients.

Observation:

  • This report details three cases of lumbosacral nerve root avulsion resulting from road traffic accidents.
  • Two patients sustained sacroiliac joint fractures with pubic symphysis diastasis (Tile type C 1.2), and one had pubic rami fractures (Tile type B 2.1).
  • All patients presented with varying degrees of sensory and motor deficits in their lower limbs.

Findings:

  • Lumbar myelography revealed characteristic pseudomeningoceles in the affected lumbosacral region.
  • Magnetic resonance (MR) imaging is presented as a valuable non-invasive diagnostic tool for this condition.

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Implications:

  • Early and accurate diagnosis of lumbosacral nerve root avulsion is crucial for appropriate management.
  • Advanced imaging techniques like MR imaging improve diagnostic capabilities for this rare injury.
  • Understanding the association with pelvic fractures aids in suspecting nerve root avulsion in polytrauma patients.