骨巨细胞瘤的好发部位在()
A.长管状骨骨干
B.短管状骨干骺端
C.扁骨
D.颈椎骨
E.长管状骨的骨端
参考答案:E
青年男性,23岁,近半年来反复右上腹不适,超声检查:胆囊壁上可见不移动、无声影的稍增强回声,直径4mm,囊壁未见明显增厚,病变可能是()
A.息肉
B.钙化
C.胆囊泥沙
D.胆汁淤积团
E.囊壁增厚
Do you know ____? [ ]
A. when Li Lei set off
B. when to Li Lei set off
C. when did Li Lei set off
D. Li Lei set off when