<unk>  is an examination of the upper urinary tract, usually performed with an endoscope that is passed through the urethra, bladder, and then directly into the ureter.  The procedure is useful in the diagnosis and the treatment of disorders such as kidney stones.
The examination may be performed with either a flexible or a rigid fiberoptic device while the patient is under a general anesthetic.  The patient is usually free to go home after the examination.
Ureteroscopy
Cystoscopy
Nephrostomy
Intravenous pyelogram
Retrograde pyelogram
Cystectomy
Pyelonephritis x ray
Voiding cystourethrogram