The anatomic basis of the gracilis perforator flap. |
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Authors: | Efstathios G Lykoudis Georgia-Alexandra Ch Spyropoulou Catherine C Vlastou |
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Institution: | Department of Plastic Surgery and Burns, Ioannina University School of Medicine, University Campus, 45110 Ioannina, Greece. elykou@otenet.gr |
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Abstract: | Another perforator flap, the gracilis perforator flap, has recently been added to the armamentarium of reconstructive surgeons. A detailed study of the anatomy of this flap was undertaken in this study. Forty-seven dissections were performed in cadavers and clinical cases of gracilis muscle harvesting for various reconstructive reasons. According to our findings, at least one musculocutaneous perforator of large calibre was found in the majority of the dissections performed (87%), emanating from the proximal third of gracilis. All the perforators were located within a radius of 7 cm from the point of entrance of the gracilis main vascular pedicle. In their majority, they emanated proximal to that point (83%) from the middle part (anteroposterior axis) of the muscle (62%). The intramuscular course of the perforators was easily followed and few muscular branches were encountered, before they joined the main vascular pedicle. A sensory branch of the anterior obturator nerve, accompanying the perforators, was occasionally found (29%). Finally, a superficial vein, branch of the greater saphenous, was always found within the skin territory of the flap in all dissections performed in cadavers. |
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