Pedicled jaw-neck flap on preauricular region 3 cases.
耳前窄蒂侧颌颈皮瓣3块。
Objective: Control the further infection of intractable congenital preauricular fistula.
目的：控制难治性先天性耳前瘘管继发感染。
Congenital preauricular fistula is a common abnormality consequent on deficiency of embryonal development.
先天性耳前瘘管由胚胎发育异常引起。
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