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Fig. 1A —Cranial angiography performed using conventional radiography (A and B) and MDCT (C-F) in canine cadaver 3 days postmortem. Conventional radiograph obtained 1 minute after iodized oil (Lipiodol, Ultra Fluide, Guerbet AG) injection. Position of polytetrafluoroethylene cannula (thick arrow) in thoracic aorta is indicated. Branches of thoracic aorta, including carotid artery (thin solid arrow), and small vessels of head, including maxillary arteries (dashed arrow), are clearly revealed.