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The lateral genicular artery flap.

A Hayashi¹, Y Maruyama

¹Department of Plastic and Reconstructive Surgery, Toho University School of Medicine, Tokyo, Japan.

Annals of Plastic Surgery

|April 1, 1990

Summary

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This study presents a reliable lateral genicular artery flap for knee skin defect reconstruction. Cadaver dissections confirm its consistent blood supply and safe extension for effective surgical outcomes.

Area of Science:

Plastic Surgery
Microsurgery
Anatomy

Background:

Reconstruction of knee skin defects presents challenges due to limited local tissue availability.
The lateral genicular artery flap is a potential option, but its anatomical basis requires detailed understanding.

Observation:

Ten cadaver dissections were performed to investigate the vascular supply of the lateral genicular artery flap.
The superior lateral genicular artery's cutaneous perforator is the primary blood supply.
The nutrient artery reliably penetrates deep fascia in a specific triangular zone.

Findings:

The nutrient artery demonstrates reliable vascularization, originating from the superior lateral genicular artery.
It anastomoses with lateral perforators of the profunda femoris artery within subcutaneous fat.

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The flap's safe surgical extension reaches the midpoint between the lateral femoral condyle and greater trochanter.

Implications:

This flap offers a viable and reliable option for reconstructing peripatellar skin defects.
Understanding the precise anatomical vascularization enhances surgical planning and success rates.
The flap's extensibility provides versatility for various defect sizes around the knee.