Etiology of non-traumatic acute abdomen in pediatric emergency departments

Figure 2 Acute appendicitis. A: A blind-ending, non-compressible tubular structure (arrows); an echogenic appendicolith with an acoustic shadow over tip (arrowheads); B: An enlargement of whole diameter of the appendix (arrows) with enhancement and thickening of the appendiceal wall associated with intraluminal fluid collections.