String of Pearl Sign – X-Ray

Erect abdominal radiograph of a patient showing small bubbles of gas trapped between folds in dilated, fluid-filled loops producing the string of pearls (or beads) sign (arrows), rows of small gas bubbles oriented horizontally or obliquely across the abdomen. Consistent with small bowel obstruction or increased intraluminal fluid and ileus.

Source: Dr. MT Niknejad MD (radRounds Radiology Network Member)