Appendicitis on coronal computed tomography

(A) Retrocecal appendicitis. A six-year-old male. Coronal CT reconstruction (A) shows a large, fluid-filled appendix in sub-hepatic, retrocecal location (arrow). Note localized adenopathy (arrowhead).
(B) An 11-year-old female. Coronal CT reconstruction (B) shows perforated, fluid-filled, appendix with multiloculated pelvic abscess. Arrow denotes location of perforation.