title: Ruptured appendix: an unusual cause of gross hematuria.
mesh_terms: D001064:Appendicitis / Q000150:complications*; D002675:Child, Preschool; D005260:Female; D006417:Hematuria / Q000209:etiology*; D006801:Humans; D012422:Rupture, Spontaneous / Q000150:complications / Q000209:etiology; D001745:Urinary Bladder Diseases / Q000209:etiology