Ultrasonographic diagnosis of intestinal fistulae associated with Crohn disease

: In two patients with Crohn's disease, abdominal mass and fever, abdominal ultrasound disclosed enteroenteric fistula in one, and intestinal fistula associated to subcutaneous abscess in the second. We emphasize the role of ultrasound in the diagnosis of active Crohn's disease, especially as a complementary method for the detection of intraabdominal complications.