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Fig. 2 | Insights into Imaging

Fig. 2

From: Contrast-enhanced ultrasound (CEUS) in Crohn’s disease: technique, image interpretation and clinical applications

Fig. 2

A 42-year-old man with CD and extramural disease. a Longitudinal US scan depicts a blind-end hypoechoic tract (arrows) originating from the thickened intestinal wall that represents a fistula, penetrating the mesentery (*). The stratified appearance of the bowel is lost focally at the site of the penetrating ulcer. b Macroscopic view of a transverse section of the surgical specimen through a fistulous tract (arrows) in the mesentery (*). Note the hyperaemic and thickened serosa of the resected intestinal segment

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