Etiology of non-traumatic acute abdomen in pediatric emergency departments

Figure 8 Mesenteric adenitis. A: Ultrasound shows multiple enlarged lymph nodes (arrowheads) at the base of mesentery, anterior to the inferior vena cava; B: Computed tomography of the abdomen showing clustering of mesenteric lymph nodes with largest diameter of about 11.2 mm (black arrow) and thickening of the bowel wall of terminal ileum.