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Active inflammatory Crohn disease with extraenteric complications in a 29-year-old man. (A) Coronal computed tomography enterography images demonstrate multifocal segmental stricture showing wall thickening, mural hyperenhancement and stratification (arrows), and engorged vasa recta, "comb sign" (circle). (B, C) Also noted a mesenteric abscess (arrowheads in B) adjacent to the enteroenteric fistula (arrow in C).
