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Related Experiment Videos

[The axillopectoral muscle]

G Le Bouedec1, J Dauplat, M Guillot

  • 1Service de Chirurgie, Centre Jean Perrin, Clermont-Ferrand.

Journal De Chirurgie
|February 1, 1993
PubMed
Summary
This summary is machine-generated.

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A rare "pectoro-axillary" muscle variation can complicate axillary dissection. Understanding its origin and surgical implications is crucial for accurate anatomical assessment.

Area of Science:

  • Anatomy
  • Surgical Anatomy
  • Musculoskeletal System

Context:

  • Axillary anatomy is complex, with variations potentially impacting surgical procedures.
  • The axillary wall is formed by several muscles, including the pectoralis major and latissimus dorsi.
  • Anatomical variations can lead to unexpected findings during surgery.

Purpose:

  • To describe the origin and features of the "pectoro-axillary" muscle, an anatomic variation.
  • To highlight the surgical relevance of this supernumerary muscle in axillary dissection.
  • To emphasize the relationship between this muscle and Langer's arch.

Summary:

  • The "pectoro-axillary" muscle is an ectopic muscle band extending between the pectoralis major and latissimus dorsi muscles.
  • This variation represents a principal anatomic variation of the axillary wall.

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  • Its presence can complicate axillary dissection, necessitating awareness of its origin and surgical applications.

    • Impact:

    • Improved understanding of axillary anatomy and its variations.
    • Enhanced surgical planning and execution for procedures involving the axilla.
    • Reduced risk of complications during axillary dissection due to unexpected anatomical findings.