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Surgery that incorporates perforator flaps has developed rapidly in recent years. However,this type of surgery is hindered by anatomical variations in the location of the perforating arteries. Theseanatomical variations require preoperative imaging to plan the surgery properly. Through a Dopplerultrasound study of living subjects, the authors aim to map the perforators of the trapezius muscle.Materials and Methods: Doppler color ultrasound was carried out in 22 healthy volunteers over theinteguments covering the trapezius muscle. Using bone landmarks (spinous process line, inferior angle andspine of the scapula), all the identified perforators were inventoried based on their location, dimensions anddirection.Results: Fourteen women and eight men were included in the study. Their mean age was 25.8 years andtheir mean height was 1.74 meters. The average number of perforators found on each side of the spinousprocess line was 10.64. The mean diameter of these perforators was 0.82 millimeters.Conclusion: Preoperative Doppler ultrasound is useful for surgeons using trapezius perforator flaps, as itcan accurately specify the location, diameter, trajectory of a perforator, and in a more general manner, itsreliability.Keywords: Preoperative Doppler ultrasonography, Trapezius muscle, Perforator flaps, Anatomical variations.

Locating the perforators of the trapezius muscle with doppler ultrasound