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【目的】探讨易位扩张皮瓣修复未成年女性胸部瘢痕的疗效。【方法】采用易位扩张皮瓣修复未成年女性胸部瘢痕，观察术后胸部外观、乳房发育、移位皮瓣的色泽、质地、弹性、手术瘢痕、皮肤挛缩等。【结果】31例患者术后得到6个月至2年的随访，除3例切口瘢痕增生较明显外，其余患者均无明显瘢痕，皮瓣色泽、质地及弹性良好，胸部发育对称，无明显皮肤挛缩及牵拉现象。【结论】采用易位扩张皮瓣修复未成年女性胸部瘢痕，疗效满意，值得临床推广应用。“,”Objective]To explore the clinical efficacies of using expansion transpositon flaps for repairing chest scar in female minors .[Methods]Summary analyses were conducted for 31 female minors with preopera‐tive chest scar .And skin expansion technique was employed with expansion transpositon flaps .The postopera‐tive profiles of chest appearance ,breast development ,skin color ,flap elasticity ,surgical scars and skin con‐tracture ,etc were observed .[Results]During a follow‐up period of 6~24 months ,satisfactory outcomes were achieved in flap color ,excellent elasticity and breast development symmetry .And hyperplasic incision scar was present in merely 3 cases .[Conclusion]Use of expansion transpositon flaps is ideal for repairing chest scar and improving breast development in female minors .