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KMID : 0358820080350010019
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Journal of Korean Society of Plastic and Reconstructive Surgeons
2008 Volume.35 No. 1 p.19 ~ p.26
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The Regional Anatomy of Perforating artery and Pedicle for the Anterolateral Thigh Free Flap in the Korean.
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Song Hyun-Suk
Park Myong-Chul
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Abstract
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Purpose: The anterolateral thigh flap has many advantages over other conventional free flaps. But the anterolateral thigh flap has yet to enter widespread use because perforating arteries exhibit a wide range of anatomic variations and are difficult to dissect when small. The aim of this study is to identify the vascular variability of perforating arteries and pedicle in the anterolateral thigh free flap.
Methods: We studied 12 cadavers and dissected 23 thighs. An anterolateral thigh flap (12x12cm) was designed and centered at the midpoint of the line drawn from anterior superior iliac spine to the superolateral border of the patella. After we identifed the perforating arteries we dissected up to their origin from lateral circumflex femoral artery along descending branch of lateral circumflex femoral artery. We then investigated the number and the position of perforating arteries, length and diameter of vascular pedicle and pattern of lateral circumflex femoral arterial system.
Results: On average 2.3+/-1.1 perforating arteries per thigh were identified. The musculocutaneous perforators were 63.1%. In those perforators five perforators were arose from transverse branch of lateral circumflex femoral artery and two were arose from rectus femoral artery. Most of the perforators were near the intermuscular septum between rectus femoris muscle and vastus lateralis muscle. The length and diameter of pedicle were 11.9+/-3.5cm and 3.1+/-0.8mm on average.
Conclusion: This study will be helpful for the success in anterolateral thigh free flap.
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KEYWORD
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Anterolateral thigh free flap, Descending branch of lateral circumflex femoral artery, Perforating artery
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