Ultrasound diagnosis of small bowel adenocarcinoma in Crohn’s disease: A case report and review of literature

Figure 1 Ultrasound images of the patient. A: Intestinal ultrasonography demonstrated uneven, eccentric wall thickening of the ileocecal junction, disappearance of the layered structure, and the pseudo-kidney sign (arrows); B: Color Doppler Flow Imaging revealed linear blood flow (arrows); C and D: After a bolus injection of 2.0 mL of Sonovue contrast agent into the left antecubital vein of the patient, contrast-enhanced ultrasonography demonstrated disappearance of the bowel wall stratification, heterogeneous high enhancement, and rapid washout (arrows).