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Complex anatomic variation in the brachial region.

Th Troupis1, A Michalinos, V Protogerou

  • 1Department of Anatomy, Medical School, National and Kapodistrian University of Athens, Greece. ttroupis@gmail.com.

Folia Morphologica
|March 21, 2015
PubMed
Summary
This summary is machine-generated.

Complex anatomical variations of the brachial artery and nerves in the humeral region were discovered during dissection. These findings highlight the importance of understanding nerve and artery variations for clinical practice.

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Area of Science:

  • Anatomy
  • Human Anatomy
  • Surgical Anatomy

Background:

  • Anatomical variations in the upper limb can impact surgical procedures and diagnosis.
  • The brachial plexus and its branches, including the musculocutaneous nerve, exhibit frequent variations.
  • Superficial positioning of the brachial artery is an uncommon but documented anomaly.

Purpose of the Study:

  • To document and analyze a rare complex of anatomical variations in the humeral region.
  • To discuss the potential clinical and surgical implications of these variations.
  • To explore the embryological basis for the observed anomalies.

Main Methods:

  • Cadaveric dissection of the humeral region.
  • Detailed morphological analysis of vascular and neural structures.
  • Comparative review of existing anatomical literature.

Main Results:

  • Right Upper Limb: Superficial course of the brachial artery.
  • Right Upper Limb: Musculocutaneous nerve bypassed the coracobrachialis muscle inferiorly.
  • Left Upper Limb: Communication identified between the musculocutaneous and median nerves.

Conclusions:

  • The reported variations, including superficial brachial artery and aberrant nerve pathways, underscore the need for heightened awareness in clinical settings.
  • Understanding these anatomical anomalies is crucial for preventing iatrogenic injuries during upper limb surgeries.
  • Embryological factors likely contribute to the development of these complex variations, necessitating further investigation.