title: The role of ultrasonography in the diagnosis of the renal mass and impaired renal function.
mesh_terms: D003937:Diagnosis, Differential; D006801:Humans; D006869:Hydronephrosis / Q000175:diagnosis; D007668:Kidney / Q000000981:diagnostic imaging / Q000503:physiopathology; D007674:Kidney Diseases / Q000175:diagnosis* / Q000000981:diagnostic imaging; D052177:Kidney Diseases, Cystic / Q000175:diagnosis; D007677:Kidney Function Tests; D007680:Kidney Neoplasms / Q000175:diagnosis*; D011877:Radionuclide Imaging; D014463:Ultrasonography