49.下圖影像箭號處的黑點成因為何?
(A)flow void in a normal patent vessel
(B)flow related enhancement
(C)occluded vessel
(D)microbleed
答案:登入後查看
統計: A(1382), B(308), C(189), D(89), E(0) #2868117
統計: A(1382), B(308), C(189), D(89), E(0) #2868117