title: Retroperitoneal fibrosis complicating intravesical formalin therapy.
abstract: Two cases are reported of ureteric obstruction due to retroperitoneal fibrosis following the use of intravesical formalin. This particular complication of this treatment has not previously been described.
mesh_terms: D005260:Female; D005557:Formaldehyde / Q000008:administration & dosage / Q000009:adverse effects*; D006470:Hemorrhage / Q000628:therapy; D006801:Humans; D008875:Middle Aged; D012185:Retroperitoneal Fibrosis / Q000139:chemically induced*; D014517:Ureteral Obstruction / Q000139:chemically induced*; D001745:Urinary Bladder Diseases / Q000628:therapy
chemical_list: D005557:Formaldehyde