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The Incomplete Superficial Palmar Arch.

Anneh Mohammad Gharravi1, Saeed Azandeh2, Mohammad Reza Gholami3

  • 1School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran.

Journal of Orthopaedic Case Reports
|June 15, 2016
PubMed
Summary

This study details a rare Ulnar/Radiopalmar incomplete superficial palmar arch (SPA) in an Iranian cadaver. This anatomical variation, lacking anastomosis between the ulnar and radial arteries, is crucial for hand surgery.

Keywords:
Radial arterySuperficial palmar archUlnar artery

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Area of Science:

  • Anatomy
  • Vascular Anatomy
  • Human Anatomy

Background:

  • The superficial palmar arch (SPA) is a primary vascular network in the hand.
  • Variations in SPA anatomy can impact surgical procedures.
  • Understanding these variations is critical for effective clinical practice.

Observation:

  • A case of an incomplete superficial palmar arch with an Ulnar/Radiopalmar pattern was identified in an Iranian cadaver.
  • The brachial artery bifurcated into the radial artery (RA) and ulnar artery (UA) in the cubital fossa.
  • No anastomosis was observed between the RA and UA within the palm.

Findings:

  • The ulnar artery (UA) supplied three palmar digital arteries.
  • The radial artery (RA) gave rise to a proper palmar digital artery and the arteria princeps pollicis.
  • This represents a rare anatomical variation of the superficial palmar arch.

Implications:

  • Knowledge of superficial palmar arch anatomical variations is vital for hand surgical interventions.
  • This specific variation highlights the importance of pre-operative assessment.
  • Clinical tests like Allen's test can help identify such variations.