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The extended lateral arm flap: a new modification
Journal of Reconstructive Microsurgery
|July 1, 1991
Summary
The lateral arm flap, crucial for reconstructive surgery, can be significantly enlarged. Anatomical studies reveal its vascular supply extends further, enabling larger, more versatile flaps for defect coverage.
Area of Science:
- Plastic Surgery
- Microsurgery
- Anatomy
Background:
- The lateral arm flap is a standard technique for reconstructive surgery, particularly for small to medium defects.
- Its utility is constrained by the limited size of its skin paddle.
Observation:
- Detailed anatomical and dye-injection studies were conducted to map the flap's vascular supply.
- The posterior radial collateral artery was identified as the primary source of vascularization for the flap.
Findings:
- The posterior radial collateral artery extends beyond the elbow into the upper forearm.
- This extended vascular supply permits the harvesting of a larger skin paddle than previously recognized.
Implications:
- Harvesting a larger lateral arm flap increases reconstructive versatility.
- This anatomical understanding enhances the application of the lateral arm flap in complex reconstructions.