title: Perforated appendicitis under the age of three months.
mesh_terms: D000367:Age Factors; D001064:Appendicitis / Q000150:complications* / Q000601:surgery; D006801:Humans; D007223:Infant; D007416:Intestinal Perforation / Q000000981:diagnostic imaging / Q000209:etiology* / Q000601:surgery; D008297:Male; D011859:Radiography