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Fig. 3C —Patient 4 in Table 1.
Maximum-intensity-projection (MIP) images from time-resolved 3D
gadolinium-enhanced gradient-echo subtraction MR angiogram (TR/TE, 3.2/1.1;
25° flip angle; temporal resolution, 9 sec) in 88-year-old woman with left
upper extremity arteriovenous fistula (AVF) and abnormal focal physical
examination (thrill and pulsatility at the site of AVF). Magnified view in
oblique sagittal plane of mild focal venous stenosis (arrowhead) in
the lower arm with mild prestenotic aneurysmal dilatation of vein adjacent to
anastomosis.
