PMC9927001_01
Local examination of the right foot revealed mild edema and erythema and blackish discoloration of the first and fourth toes.
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F1
Local examination of the right foot revealed mild edema and erythema, blackish discoloration of the first and fourth toes, and severe tenderness on palpation (Figure 1).
CTA of the lower limbs axial view showed right single-vessel posterior tibial artery runoff.
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F2
(A and B). (A) Baseline angiography shows total occlusion from the mid-anterior tibial artery to the dorsalis pedis artery, and total occlusion of the distal posterior tibial and mid-peroneal arteries. (B) Resolution of blood flow after intra-arterial infusion of alteplase in the anterior tibial and posterior tibial arteries.
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F3
A completion angiography revealed a patent popliteal artery with a 2-vessels patency to the foot (Figure 3A,B).
(A, B, and C): right lower limb arterial duplex ultrasound showed patent (A) right popliteal artery, (B) distal anterior tibial artery, (C) and posterior tibial artery.
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F4
A follow-up lower limb arterial duplex ultrasound after 3 months showed patent right popliteal, distal anterior tibial, and posterior tibial arteries (Figure 4A-C).