MRI and MRA are useful modalities for documenting external iliac thrombi and collateral circulation in veterinary cases of aortoiliac thrombosis.
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MRI/MRA may aid thrombus documentation in veterinary aortoiliac thrombosis; case report leaves open prospective validation before wider use.
A 12-year-old, neutered female, Siberian Husky dog presented with a hind limb weakness of one month duration. To facilitate making a diagnosis multiple imaging modalities were performed. These modalities included radiography, ultrasonography, magnetic resonance imaging (MRI), magnetic resonance angiography (MRA) and selective angiography of the abdominal aorta. In this dog, the MRI/MRA studies provided the first documentation of the external iliac thrombi and the collateral circulation via the lumbar arteries. At necropsy, an aortoiliac thrombus caused by a mineralized arteriosclerotic plaque was noted.
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Drost et al. (1999) studied this question.
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