患者，男，35岁，胫骨中1／3骨折，最容易发生的并发症是（）。
A.腘动静脉受压
B.骨筋膜室综合征
C.腓总神经损伤
D.骨折延迟愈合
E.膝关节僵硬
参考答案：D
解析：胫骨干在三棱形和四边形交界处是胫骨骨折的好发部位。由于整个胫骨均位于皮下，骨折端容易刺破皮肤，称为开放性骨折。胫骨上1／3骨折可损伤胫后动脉，引起小腿骨筋膜室综合征；胫骨的营养血管从胫骨干的上、中1／3交界处进入骨内下行，所以胫骨中、下1／3段骨折愈合较慢，容易发生延迟愈合或不愈合。
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