Fig.1. Coronal mCTA MIP images from the arterial phase (A) and late venous phase (B) show a right MCA M1 segment occlusion. The M1 segment thrombus length is estimated more accurately during the venous phase (7 mm in B, arrow) than in the arterial phase (11 mm in A, arrow).
参考文献
http://www.ajnr.org/content/42/2/221
1.2 CT Perfusion, CTP