What can a test /small bowel ultrasound show?

Several things: The small bowel ultrasound can demonstrate thickening of the bowel wall, distension of the small bowel, and sometimes a transition between distended and non-distended loops of bowel. Sometimes the may be demonstration of enlarged lymph nodes around the small bowel. In children, abnormalities in which a segment of bowel telescopes down another and causes a blockage (intussusception).