Fig. 1From: Contrast-enhanced ultrasound (CEUS) in Crohn’s disease: technique, image interpretation and clinical applicationsa B-mode US shows the longitudinal section of a thickened intestinal wall (arrows) in a patient with CD. The stratification as five concentric layers is clearly identified with a high-resolution convex probe. Fluid-filled lumen appears black (*). b Transverse section of two adjacent intestinal segments in a different CD patient: US appearance of the wall of a normal ileal segment (arrows, A) is similar to the adjacent bowel (B) showing a significant wall thickening. Fluid-filled lumen (L)Back to article page