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Fig. 5 —50-year-old man with trauma to right distal lower leg and ankle with
consequent complex injury of ankle, talocalcaneonavicular, and distal
radiofibular joints and distal fibula underwent MDCT angiography of foot and
distal lower leg. Oblique sagittal multiplanar reformation shows complete
obliteration (arrows) of anterior tibial artery indicating occlusion.
Image also shows concentric narrowings (arrowheads) of anterior
tibial artery indicating spasms. MDCT also revealed occlusion of distal
posterior tibial and fibular arteries (not shown). Surgery confirmed occlusion
of posterior tibial and fibular arteries due to dissection but revealed patent
anterior tibial artery indicating arterial spasm at time MDCT was
performed.
