A 6-month-old girl was brought to the emergency department with a 3-day history of redness and swelling of a toe. A physical examination is shown. Which of the following is the most likely underlying cause of the findings?一名6个月大的女婴因脚趾红肿3天被送往急诊科。体格检查结果如图所示。以下哪项是最可能的根本原因?

A. Allergic reaction过敏反应
B. Cellulitis蜂窝织炎
C. Hair tourniquet发辫绞窄
D. Non-accidental trauma 非意外创伤
E. Insect bite昆虫叮咬
答案解析:
诊断为发辫绞窄。该病症的特点是一根缠绕紧密的毛发或丝线缠绕在肢体末端,最常见的是脚趾。这种绞窄可能会导致疼痛、肿胀,最终引发缺血。对于表浅的发辫绞窄,治疗方法包括使用化学脱毛剂或手动去除毛发;而对于较深部的绞窄,则需要通过手术来处理。
正确答案:C
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