The use of diagnostic ultrasound in the investigation of the urinary tract.
D006801:Humans; D006869:Hydronephrosis / Q000175:diagnosis; D007674:Kidney Diseases / Q000175:diagnosis*; D052177:Kidney Diseases, Cystic / Q000175:diagnosis; D007680:Kidney Neoplasms / Q000175:diagnosis*; D014463:Ultrasonography; D001749:Urinary Bladder Neoplasms / Q000175:diagnosis*