[单项选择]患儿男,5岁,在我院门诊就诊,患者家属诉自幼发现患者行走不稳,未引起注意。查体:双下肢不等长,左下肢较对侧短约1cm。左髋关节主动及被动活动均受限。门诊X线片提示:左侧髋关节脱位。关于先天性髋关节脱位,正确的是()。 A. 右侧多于左侧,双侧少于单侧 B. 右侧多于左侧,单侧多于双侧 C. 左侧多于右侧,双侧少于单侧 D. 左侧多于右侧,双侧多于单侧 E. 左右侧脱位比例相等 F. 男性多于女性
参考答案:C
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