true neurogenic thoracic outlet syndrome (cervical rib & band syndrome, classic cervical rib syndrome)

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Introduction

A rare disorder in which the proximal lower trunk of the brachial plexus is compromoised by a translucent band extending from a rudimentary cervical rib to the first rib.

Found mostly in young to middle aged women.

Clinical manifestations

  • unilateral or bilateral hand wasting & weakness, particularly involving the lateral thenar eminence
  • intermitttent discomfort along the medial forearm & hand

More general terms

References

  1. Stedman's Medical Dictionary 27th ed, Williams & Wilkins, Baltimore, 1999.
  2. Grant's Atlas of Anatomy, 10th edition, AMR Agur & MJ Lee (eds), Lippincott Williams & Wilkins, Philadelphia, PA 1999.