Fig. 7
From: Imaging findings of gastrointestinal tract tumors in children and adolescents
a, b A 11-year-old girl with Burkitt lymphoma. She complained of abdominal pain for the last 2 months. a US image demonstrates pathological diffuse thickening of the intestinal wall (arrow) causing intussusception at the level of the ileal loops and appearance of a pseudo-mass. b Axial post-contrast CT image shows mass lesion (arrow) in the right lower quadrant in the intestinal wall. Also note the pelvic fluid