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KMID : 1144920240200010096
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Journal of Wound Management and Research
2024 Volume.20 No. 1 p.96 ~ p.100
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Usefulness of the Keystone Flap in Lower Extremity Reconstruction in Patients with Anterior Tibial Artery Variation: A Case Report
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Ahn Yu-Jin
Shin Hea-Kyeong
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Abstract
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Reconstruction of lower extremity wounds in patients with abnormalities in vascular anatomy is often challenging. A 71-year-old man was admitted to our hospital after sustaining two contact burns on his right leg while sleeping on an electric blanket. Fourth-degree burns amounting to approximately 3% of total body surface area were confirmed, with eschar formation on the right instep and pretibial area. Both wounds on the lower leg required flap reconstruction. In addition, the patient had anterior tibial artery hypoplasia. We considered a two-flap reconstruction method that should leave the source artery and muscle intact and generally has a good prognosis. A peroneal artery perforator-based keystone flap was used on the right lower leg, and a right dorsalis pedis island flap on the foot dorsum. Surgery was performed successfully, and at 8 months postoperatively, the patient walked naturally and had no complaints of discomfort. Additionally, cosmetic results were satisfactory. Accordingly, we introduce a surgical method that is useful in cases similar to that described.
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KEYWORD
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Vascular malformations, Lower extremity, Perforator flap, Case reports
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