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Fig. 15B 55-year-old man with obscure gastrointestinal bleeding.
Thick-slab volume-rendered image shows vascular structure of distal ileum
(arrows) with hypertrophied supplying arteries (arrowheads).
There is an early draining vein (not shown). From these confirmatory CT
features, mass was diagnosed as arteriovenous malformation of distal
ileum.