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Fig. 3A —67-year-old diabetic man with nonhealing ulceration of left
calf. Coronal 3D bolus chase MR angiograms of pelvis (A), thigh
(B), and calf (C) compared with volumetric interpolated
breath-hold examination (VIBE) (D) MR angiograms of left calf and
ankle. Note venous contamination on MR angiograms of both left thigh and left
calf (arrowheads, B and C). By comparison, no venous
enhancement is seen on disease-free right calf (arrows, B and
C). Because of early acquisition after bolus injection, venous overlay
is not present on VIBE MR angiogram of left leg (D). Because of venous
overlay, arterial vessels analysis was not possible on basis of bolus chase MR
angiography findings but remained possible on VIBE angiography. Distal portion
of anterior tibial artery is filled into foot, and pedal artery appears
patent. Posterior tibial artery and distal portion of peroneal artery appear
patent, but no plantar arch is filled.
