title: Irreversible bilateral ureteral obstruction from intravesical formaldehyde solution.
mesh_terms: D000230:Adenocarcinoma / Q000601:surgery; D000368:Aged; D005557:Formaldehyde / Q000008:administration & dosage / Q000009:adverse effects* / Q000627:therapeutic use; D006417:Hematuria / Q000188:drug therapy / Q000209:etiology; D006801:Humans; D008297:Male; D012996:Solutions; D007507:Therapeutic Irrigation; D014517:Ureteral Obstruction / Q000139:chemically induced* / Q000150:complications; D001749:Urinary Bladder Neoplasms / Q000601:surgery
chemical_list: D012996:Solutions; D005557:Formaldehyde