Page created on September 9, 2021. Last updated on December 18, 2024 at 16:58
Signs without contrast
| Sign |
Description |
Condition |
| Pneumoperitoneum |
Air under the diaphragm |
Air inside the abdominal cavity, usually due to bowel or ulcer perforation |
| Air-fluid levels |
Horizontal air-fluid levels in the small or large intestine |
Ileus |
| Pneumobilia |
Air inside the biliary tree |
Biliary-enteric fistula |
| Coffee bean sign |
Dilated loop of twisted bowel which resembles coffee bean |
Sigmoid volvulus |
| Pneumoatosis intestinalis |
Air inside the intestinal wall |
Necrotising enterocolitis (premature infants) |
Signs with contrast
| Sign |
Contrast |
Description |
Condition |
| – |
Barium and air enema |
Outpouchings of the colonic wall |
Diverticulosis |
| Apple-core sign |
Barium and air enema |
Apple core-like lesion |
Colon cancer |