title: Volvulus of the appendix.
mesh_terms: D000208:Acute Disease; D001064:Appendicitis / Q000469:parasitology*; D001065:Appendix / Q000469:parasitology*; D001200:Ascaris; D002648:Child; D006801:Humans; D007415:Intestinal Obstruction / Q000469:parasitology; D008297:Male