Brachial plexus anatomy

Case contributed by Dr Maxime St-Amant
MRI

Please note that divisions cannot be individualized on these images.

MRI

Please note that divisions cannot be individualized on these images.

 

***MIDDLE scalene should be noted instead of posterior scalene.

MRI
  • preganglionic: proximal to the dorsal ganglion
  • postganglionic: distal to the dorsal ganglion

Case Discussion

Approximate MRI anatomy of the brachial plexus, including the preganglionic rootlets.

Radiology Technologists Drink Cold Beer is a helpful mnemonic to remember component of the brachial plexus:

  • Roots
  • Trunks
  • Divisions
  • Cords
  • Branches

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