Crohn’s Disease Imaging: A Review

Figure 5

MDCT-E. Intraintestinal findings: intramural (a), (b) wall thickening (b) (“double halo sign”), (c) hyperemia of the mucosa, (d) ulcer, (e) stenosis, extramural (f) engorgement of vasa recta (“comb sign”). Extraintestinal findings: (g), (h) lymph nodes involvement and mesenteric fat stranding, (i) abscess.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)

(i)