| pyelonephritis | <nephrology> Inflammation of the kidney and its pelvis, beginning in the interstitium and rapidly extending to involve the tubules, glomeruli and blood vessels, due to bacterial infection. (18 Nov 1997) |
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| pyelonephritis, xanthogranulomatous | An inflammatory condition of the kidney most commonly resulting in a grossly enlarged and nonfunctioning kidney associated with stones and infection. (12 Dec 1998) |
| pyelonephrosis | An obsolete term for any disease of the pelvis of the kidney. Origin: pyelo-+ G. Nephros, kidney, + -osis, condition (05 Mar 2000) |
| pyeloplasty | Surgical reconstruction of the kidney pelvis to correct an obstruction. Synonym: pelvioplasty. Origin: pyelo-+ G. Plastos, formed (05 Mar 2000) |
| pyeloplication | An obsolete procedure of taking tucks in the wall of the renal pelvis when unduly dilated by a hydronephrosis. Origin: pyelo-+ L. Plico, to fold (05 Mar 2000) |
| pyeloscopy | Fluoroscopic observation of the pelvis and calices of the kidney, and the ureter, after the injection through the ureter of an opaque solution. Origin: pyelo-+ G. Skopeo, to view (05 Mar 2000) |
| pyelostomy | Formation of an opening into the kidney pelvis to establish urinary drainage. Origin: pyelo-+ G. Stoma, mouth (05 Mar 2000) |
| pyelotomy | Incision into the pelvis of the kidney. Synonym: pelviotomy, pelvitomy. Origin: pyelo-+ G. Tome, incision (05 Mar 2000) |
| pyelotubular reflux | Urinary reflux from renal pelvis and calices into the collecting ducts. This is seen as a blush of the renal pyramid on voiding cystourethrography. Synonym: pyelotubular reflux. (05 Mar 2000) |
| pyeloureterectasis | Dilation of kidney pelvis and ureter, seen in hydronephrosis due to obstruction in the lower urinary tract. Origin: pyelo-+ ureter + G. Ektasis, a stretching (05 Mar 2000) |
| pyeloureterography | <investigation, radiology> 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. Synonym: pelviureterography, pyeloureterography, ureteropyelography. Origin: pyelo-+ G. Grapho, to write (05 Mar 2000) |
| pyelovenous | Denoting the phenomenon of drainage from the renal pelvis into the renal veins from increased intrapelvic pressure. Origin: pyelo-+ venous (05 Mar 2000) |
| pyelovenous backflow | Retrograde movement of fluid (urine or injected contrast materials) from renal pelvis into renal venous system. This occurs under conditions of distal obstruction or injection of solutions into renal collecting system. (05 Mar 2000) |
| pyemesis | The vomiting of pus. Origin: G. Pyon, pus, + emesis, vomiting (05 Mar 2000) |
| pyemia | <medicine> See Pyaemia. Source: Websters Dictionary (01 Mar 1998) |