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Related Experiment Videos

[Dorso-ulnar thumb flap]

F Brunelli1

  • 1Institut Français de la Main, Paris.

Annales De Chirurgie De La Main Et Du Membre Superieur : Organe Officiel Des Societes De Chirurgie De La Main = Annals of Hand and Upper Limb Surgery
|January 1, 1993
PubMed
Summary
This summary is machine-generated.

Researchers identified a consistent arterial vessel on the thumb

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Area of Science:

  • Anatomy
  • Vascular Biology

Context:

  • The dorsal arterial supply of the thumb is crucial for reconstructive surgery.
  • Previous studies have not fully elucidated the specific vessels supplying the dorsal thumb surface.

Purpose:

  • To anatomically investigate the arterial supply of the dorsal thumb surface.
  • To describe a novel skin flap based on a consistently identified artery for thumb reconstruction.

Summary:

  • A constant arterial vessel was identified on the dorso-ulnar side of the thumb, connecting the first metacarpal bone to the nail matrix dorsal arcade.
  • This anatomical finding supports the elevation of a distally-pedicled skin flap from the dorsoulnar aspect of the metacarpophalangeal joint.

Impact:

  • This study provides a basis for a new reconstructive technique for thumb defects.
  • The described flap offers a potential solution for coverage of dorsal or volar distal thumb skin defects.