男,23岁,腰痛半年伴有低热,腰椎CT平扫如图,最可能的诊断是()
A.腰椎转移
B.血管瘤
C.腰椎结核
D.化脓性骨髓炎
E.间盘炎
参考答案:C
Can I ________ a try?[ ]
A. has
B. have
C. had
D. he
股动脉枪击音
A.室间隔缺损B.房间隔缺损C.动脉导管未闭D.法洛四联症E.肺动脉狭窄