title: Henoch-Schönlein purpura mimicking acute appendicitis and Crohn's disease.
mesh_terms: D000208:Acute Disease; D000328:Adult; D001064:Appendicitis / Q000000981:diagnostic imaging*; D003424:Crohn Disease / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D006417:Hematuria / Q000150:complications; D006801:Humans; D007082:Ileum; D007410:Intestinal Diseases / Q000150:complications; D008297:Male; D011693:Purpura / Q000150:complications / Q000000981:diagnostic imaging*; D011859:Radiography