fig 1.
Untreated experimentally induced canine aneurysms.
A, Cut-film subtraction angiogram.
B, Conventional 3D-TOF MR angiogram (33/3.3/1).
C, Contrast-enhanced 3D-TOF MR angiogram (33/3.3/1).
D, 3D MR DSA image (9.3/1.8/1) produced by subtraction of a peak arterial phase 3D image from a baseline 3D mask acquired before the arrival of the intravenous contrast bolus.
E, CT angiogram.