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Complex variation of the superficial palmar arch--case report
S Onderoglu1, R Basar, K M Erbil
1Department of Anatomy, Faculty of Medicine, Hacettepe University, Ankara, Turkey.
Surgical and Radiologic Anatomy : SRA
|January 1, 1997
Summary
This study details an unusual blood vessel pattern in the hand. Key findings include variations in the radial artery's superficial palmar branch and its connections to digital arteries.
Area of Science:
- Anatomy
- Vascular Anatomy
- Human Anatomy
Background:
- The palmar vasculature is crucial for hand function.
- Anatomical variations in the palmar arteries can impact surgical procedures and understanding of blood flow.
- The superficial palmar arch and its contributing branches are well-documented but subject to variations.
Purpose of the Study:
- To describe a specific complex variation in the arterial supply to the palm.
- To document the detailed anatomical course and origin of aberrant palmar arteries.
- To contribute to the existing knowledge base of vascular anomalies in the upper limb.
Main Methods:
- Detailed anatomical dissection of a cadaveric specimen.
- Macroscopic examination of the palmar vasculature.
- High-resolution imaging (implied, for documentation).
Main Results:
- The superficial palmar branch of the radial artery coursed superficial to the thenar muscles.
- The princeps pollicis and radialis indicis arteries originated from this superficial palmar branch of the radial artery.
- The first and second common palmar digital arteries arose from a common trunk originating from the superficial palmar arch.
Conclusions:
- This case presents a significant deviation from the typical palmar arterial arrangement.
- Such anatomical variations underscore the importance of thorough pre-operative assessment in hand surgery.
- Understanding these variations is vital for accurate interpretation of vascular imaging and for preventing iatrogenic injury.