Rigler sign

What is the Rigler sign?

“Rigler” sign is named after the radiologist Leo Rigler, MD, who described a sign of pneumoperitoneum in 1941. Normally, gas outlines only the luminal side of a bowel loop. The soft tissue side of the bowel is not visible as a sharp edge because there is no difference in density between the soft tissue of the bowel wall and the remainder of the abdomen. When free intraperitoneal gas abuts a gas-filled loop of bowel, gas surrounds both sides of the bowel wall. If the interfaces of gas and bowel wall are perpendicular to the x-ray beam, the bowel wall is visible and appears as a thin stripe of soft tissue

15585

Sign up to receive the trending updates and tons of Health Tips

Join SeekhealthZ and never miss the latest health information

15856
Scroll to Top