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Fig. 6B 42-year-old man with known Crohn's disease. Axial enhanced
fast low-angle shot (FLASH) 2D fat-saturation image shows diffuse thickening,
irregular mucosa (arrowhead), and intense contrast enhancement of
mainly mucosa of bowel wall of ileum (arrow). This implies active
disease. Active disease is also visible in sigmoid and rectum (open
arrows).