biceps femoris musculocutaneous flap for reconstruction of refractory ulceration at the popliteal fossa

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ID: 164799
2014
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Abstract
Background: There is a lack of information about the possibility of transfer of the long head of the biceps femoris (LHBF) musculocutaneous flap to the knee area. We discuss the use of the LHBF musculocutaneous flap to treat refractory ulceration at the popliteal fossa and the results of a preliminary study investigating the anatomical possibility of transferring this flap to the popliteal region. Methods: Five lower extremities of 5 fresh cadaveric specimens were dissected following injection of a silicone compound into the deep femoral artery. We investigated the number, location, and diameter of nutrient branches to the LHBF originating from the deep femoral artery. Based on these results, we treated a 76-year-old woman with a refractory postradiation ulcer at the popliteal fossa associated with popliteal artery obstruction using a 25 × 7 cm LHBF musculocutaneous flap. Results: The mean number of nutrient branches to the LHBF muscle was 3.6, with a mean diameter of 1.9 mm. One to two branches consistently arose from the distal aspect of the posterior thigh. Most branches followed an intramuscular route, giving rise to fine cutaneous branches. The distal border reached by the musculocutaneous flap was located 6.7 cm distal to the bicondylar line. The flap survived completely without complications, and the patient was able to walk with a walking frame postoperatively. Conclusions: The LHBF musculocutaneous flap may offer a reliable treatment option for soft-tissue defects of the popliteal fossa, especially in patients with significant damage to the popliteal artery from trauma or radiation therapy.
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Authors ;Tadanobu Onishi, MD;Shohei Omokawa, MD;Takamasa Shimizu, MD;Kanit Sananpanich, MD;Yasuhito Tanaka, MD;Tsutomu Kira, MD;Keiichi Murata, MD;Kanya Honoki, MD
Journal current therapeutic research, clinical and experimental
Year 2014
DOI
10.1097/GOX.0000000000000204
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