title: Identical twins with simultaneous acute appendicitis.
mesh_terms: D000208:Acute Disease; D001062:Appendectomy; D001064:Appendicitis / Q000175:diagnosis*; D002675:Child, Preschool; D004200:Diseases in Twins; D005244:Fecal Impaction / Q000150:complications; D005260:Female; D006801:Humans; D014430:Twins, Monozygotic