Rigler sign - Pneumoperitoneum

The presence of multiple dilated bowel loops and absence of rectal air = DISTAL BOWEL OBSTRUCTION... If a newborn does not pass meconium in the first 48 hours, an abdominal X-ray and contrast enema should be done... Hirshprung disease = transition zone between dilated colon and narrow rectosigmoid... the next step is a rectal suction biopsy (absence of ganglion cells) to confirm Hirschprung's

Abdomen xray signs

Cobble Stone Appearance - Crohn's Disease

"This is the kind of sign that shows up on exams and in practice: “Sentinel Loop Sign in Pancreatitis”. A solitary dilated loop of bowel adjacent to an area of inflammation, such as the pancreas, reflects localized ileus and can be an early clue on abdominal x-ray in pancreatitis. Related topics: sentinel loop abdominal x-ray, localized ileus sign. Save this diagnostic pearl — it's the kind of detail that shows up again and again. #RadiologyPearls #Radiology #MedEd #MedicalImaging #SentinelLoopSignPancreatitis #SentinelLoopAbdominalX #LocalizedIleusSign #DiagnosticRadiology"