pyel-, pyelo-

Surgery to correct a stenosed (constricted or narrowed) ureteropelvic (tube moving the urine from a kidney with each kidney having one ureter to the bladder located in the curved group of bones at the level of the hips) where they are joined together by cutting from inside with an instrument that is inserted through an endoscope.

1. An x-ray study of the kidney especially showing the pelvis (urine-collecting basin) of the kidney and the ureter.
2. An x-ray of the urine-collecting part of the kidney.

The x-ray is taken after the introduction of a contrast medium either into the bloodstream or directly into the kidney in order to highlight the internal structures.

Radiologic study of the kidney, ureters, and usually the bladder, performed with the aid of a contrast agent either injected intravenously, or directly through a ureteral or nephrostomy catheter or percutaneously.

One of various illnesses of the renal pelvis and the kidney; pyelonephrosis: Because Jack was diagnosed with pyelopathy, an infection of his kidney tissue and the tube that conveys urine to the bladder, he had to go to hospital for further examinations and perhaps an operation.

Inflammation of the veins of the renal pelvis (area at the center of the kidney where urine collects and is funneled into the ureter).

Fluoroscopic observation of the pelvis and the calices (cuplike cavities) of the kidney following injection of a contrast medium through the ureter.