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Related Concept Videos

Spinal Nerves: Plexus I01:22

Spinal Nerves: Plexus I

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Nerve plexuses are networks of interlacing nerves that serve as communication hubs to distribute and organize nerve action across various body regions. The nerve plexuses are organized into the cervical plexus located in the neck region, brachial plexus in the shoulder area, lumbar plexus found in the lower back, sacral plexus situated in the pelvis, and coccygeal plexus located in the coccygeal region.
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Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
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The plexuses of the lower body include the lumbar, sacral, and coccygeal plexuses, which innervate the abdomen, pelvis, legs, and coccygeal region. These plexuses control the transmission of sensory information and coordinate motor functions of the lower body.
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Related Experiment Video

Updated: Apr 16, 2026

Development of a Neonatal Rat Model for Brachial Plexus Birth Injury
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MR neurography in traumatic brachial plexopathy.

Vaishali Upadhyaya1, Divya N Upadhyaya2, Adarsh Kumar3

  • 1Department of Radiology, Vivekananda Polyclinic and Institute of Medical Sciences, Vivekanandapuri, Lucknow 226 007, India.

European Journal of Radiology
|March 6, 2015
PubMed
Summary

MR neurography (MRN) is highly effective for imaging traumatic brachial plexus injuries. This advanced MRI technique significantly aids in surgical planning and improves patient outcomes.

Keywords:
Brachial plexusMagnetic resonanceNeurography

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Area of Science:

  • Radiology
  • Neurology
  • Orthopedic Surgery

Background:

  • Brachial plexus imaging has evolved from radiography to advanced MRI techniques.
  • Modern MR imaging sequences offer detailed visualization of the brachial plexus.
  • Traumatic brachial plexopathy presents diagnostic challenges requiring accurate imaging.

Purpose of the Study:

  • To correlate Magnetic Resonance Neurography (MRN) findings with operative results in traumatic brachial plexopathy.
  • To evaluate the diagnostic utility of MRN in surgical planning for brachial plexus injuries.
  • To assess the impact of MRN on predicting surgical outcomes.

Main Methods:

  • Twenty patients with traumatic brachial plexopathy underwent MR neurography.
  • Operative findings were compared with MRN results at the root, trunk, and cord levels.
  • MRN studies were scored based on correlation with surgical findings.

Main Results:

  • MR neurography demonstrated findings at root, trunk, and cord levels in most patients.
  • Ten patients had involvement across all three levels of the brachial plexus.
  • The accuracy of MRN in correlating with operative findings influenced its scoring.

Conclusions:

  • MR neurography is a valuable tool for evaluating the traumatized brachial plexus.
  • MRN findings directly influence surgical strategy and patient prognosis.
  • This imaging modality enhances the management of brachial plexus injuries.