Crohn's disease initially confined to the appendix.
D000328:Adult; D000368:Aged; D001062:Appendectomy; D001064:Appendicitis / Q000150:complications / Q000473:pathology* / Q000601:surgery; D001065:Appendix / Q000473:pathology*; D003424:Crohn Disease / Q000473:pathology* / Q000601:surgery; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male