Background/purpose: In this study, we investigated outcomes for conventional deltopectoral (DP) flaps and L-extension deltopectoral (L-DP) flaps in head-and-neck reconstructions. Materials and methods: Twenty-three conventional DP flaps and 10 L-DP flaps were created in 33 patients. The latter flaps were applied with no delay. The flaps were folded only in the L-DP-flap group. Seven of 10 L-DP flaps were folded to become bilayered flaps in order to repair full-thickness defects. Flap success

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... es and complication rates were compared between the conventional DP-flap and L-DP-flap groups. Results: Success rates were 91.3% in the DP-flap group and 90% in the L-DP-flap group. Overall complication rates of the transferred flaps were 30.4% and 40% for DP and L-DP flaps, respectively. Complications in the two groups were analyzed by a Chi-square test, and no significant differences were found. Conclusions: Although the DP flap is considered to be the "aged workhorse" in contemporary head-and-neck reconstructions, it was shown to be a beneficial regional flap with a dependable pedicle and easy technique. The L-DP flap is of value particularly when used to treat fullthickness defects of the head-and-neck.