Magnetic resonance imaging of obstetrical brachial plexus injuries

Rick Abbott1, Matthew Abbott, Juan Alzate

  • 1Department of Neurosurgery, The Hyman-Newman Institute for Neurology and Neurosurgery, Beth Israel Medical Center, 170 East End Avenue, New York, NY 10128, USA, rabbott@bethisraelny.org

Insights

Magnetic Resonance (MR) imaging effectively identifies brachial plexus lesions in infants with Erb

Area of Science:

  • Pediatric Radiology
  • Neurology
  • Orthopedic Surgery

Background:

  • Erb's palsy, a common birth injury, results from damage to the brachial plexus.
  • Accurate pre-operative assessment is crucial for effective surgical management of brachial plexus injuries.

Purpose of the Study:

  • To evaluate the efficacy of MR imaging in predicting surgical findings in infants diagnosed with Erb's palsy.
  • To correlate MR imaging results with intraoperative findings of brachial plexus lesions.

Main Methods:

  • A cohort of 15 infants with Erb's palsy underwent surgical exploration of the brachial plexus.
  • Preoperative MR imaging was performed using a 1.5-Tesla MRI scanner.
  • Surgical findings were documented and compared with the MR imaging results.

Main Results:

  • MR imaging detected pseudomeningoceles in 53.3% of patients and posterior shoulder subluxation in 73.3%.
  • Abnormalities consistent with neuromas or scar tissue were identified in 93.3% of patients.
  • Surgery confirmed entrapment by scar tissue or neuromas in all 15 patients (100%).

Conclusions:

  • MR imaging is a valuable tool for identifying brachial plexus lesions in infants with Erb's palsy.
  • The imaging modality aids in surgical planning by predicting operative findings, guiding exploration, and confirming the presence of lesions requiring intervention.
Abstract

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