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Vascularized Composite Upper Limb Allograft Harvesting for Proximal Arm Allotransplantation

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Multiple arterial anomalies in upper limb.

P Baral¹, P Vijayabhaskar, S Roy

¹Department of Anatomy, Manipal College of Medical Sciences, Pokhara, Nepal.

Kathmandu University Medical Journal (KUMJ)

|January 15, 2010

Summary

Multiple rare vascular anomalies were found in a single Nepali cadaver's right upper limb, affecting the axilla, forearm, and palm. This case highlights unusual branching patterns of the axillary, radial, and ulnar arteries.

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Area of Science:

Anatomy
Vascular Anatomy
Human Anatomy

Background:

Isolated neurovascular variations are common in the upper limb.
Multiple concurrent vascular anomalies in the same limb are exceptionally rare.
Understanding anatomical variations is crucial for surgical and diagnostic procedures.

Observation:

A routine dissection of a Nepali cadaver revealed multiple, unusual vascular variations in the right upper limb.
Variations were noted in the axilla, forearm, and palm.
Specific anomalies included atypical branching of the axillary artery, an unusual origin of the common interosseous artery from the radial artery, and a unique formation of the superficial palmar arch.

Findings:

The axillary artery exhibited an aberrant branching pattern, with its first part lacking branches and the second part giving off only two main branches.
The radial artery gave rise to the common interosseous artery in the forearm.
The superficial palmar arch was solely formed by the ulnar artery, with no contribution from the radial artery.

Implications:

This case presents a unique confluence of vascular anomalies not previously reported in Nepalese cadavers.
Detailed documentation of such rare variations is essential for anatomical knowledge and clinical practice.
Awareness of these anomalies can aid surgeons in avoiding intraoperative complications and improve diagnostic accuracy.