title: Hydronephrosis and polycythaemia.
abstract: 2 cases of secondary polycythaemia apparently caused by hydronephrosis are described. The polycythaemia resolved following nephrectomy in each case.
mesh_terms: D000328:Adult; D004921:Erythropoietin / Q000378:metabolism; D006801:Humans; D006869:Hydronephrosis / Q000150:complications* / Q000601:surgery; D008875:Middle Aged; D009392:Nephrectomy; D011086:Polycythemia / Q000209:etiology*
chemical_list: D004921:Erythropoietin