Category Pediatric Imaging

Meckel Diverticulum

KEY FACTS Terminology Most common omphalomesenteric duct remnant Imaging Classic imaging appearance (in patient with GI bleeding): Focal persistent accumulation of radiotracer in right lower quadrant on nuclear pertechnetate scan (Meckel scan) Coincident with & isointense to gastric uptake as…

Ileocolic Intussusception

KEY FACTS Terminology Invagination of distal small bowel (intussusceptum) into colon (intussuscipiens) in telescope-like manner Imaging US: Best diagnostic modality if clinically suspected Round mass with target sign in right abdomen Mean diameter of 2.6 cm (vs. 1.5 cm for…