Acute appendicitis following retention of barium in the appendix.
D000208:Acute Disease; D001064:Appendicitis / Q000209:etiology*; D001065:Appendix; D001464:Barium / Q000009:adverse effects*; D006801:Humans
D001464:Barium
APPENDICITIS/etiology and pathogenesis; BARIUM/injurious effects