Ultrasound
What is ileal atresia?
This is a blockage in the ileum which is the final and the longest section of the small intestines.
What are the pathognomonic radiological features in necrotizing enterocolitis?
- Soap bubble /bubbly sign representing pneumatosis intestinalis, - Rigler's sign representing thickened walls of the bowel loops. - Gas filled centrally located bowel loops within the abdomen (flowerpot sign): may suggest ascites. - Dilated gas filled bowel loops surrounding an area within the center of the abdomen (inverse flowerpot sign): may suggest a mass at the center of the abdomen. - Portal venous gas (PVG).
What is the radiological examination of choice in the diagnosis of NEC?
Supine anterior posterior abdominal x ray.
What is an internal hernia?
Is a protrusion of abdominal viscera (eg small intestines) through a peritoneal or mesenteric aperture into a compartment in the abdominal and pelvic cavity.
Aperistaltic diffusely air-fluid dilatation of the small bowel loops (measuring up to 2.7 cm in diameter). Minimal intraperitoneal fluid is noted intervening between the thickened adjacent bowel wall structures. There is moderate colonic gaseous distension. Mild left-sided renal pelviectasis. The rest of the abdominal viscera is grossly normal.