| 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) |
| acute pyelonephritis | Acute inflammation of the renal parenchyma and pelvis characterised by small cortical abscesses and yellowish streaks in the medulla due to pus in the collecting tubules and interstitial tissue. (05 Mar 2000) |
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| ascending pyelonephritis | Pyelonephritis due to bacterial infection from the lower urinary tract, particularly by reflux of infected urine. (05 Mar 2000) |
| chronic pyelonephritis | Chronic inflammation of the renal parenchyma and pelvis resulting from bacterial infection, characterised by calyceal deformities and overlying large flat renal scars with patchy distribution. (05 Mar 2000) |
| contagious bovine pyelonephritis | A specific necrotizing inflammation of the renal pelvis and ureters of cattle, caused by infection with Corynebacterium renale. (05 Mar 2000) |
| xanthogranulomatous pyelonephritis | <radiology> Big kidney, non-functioning (80%), dilated calyces, thin cortex, calculi (often staghorn), adult females, usually unilateral, Gram-negative infection, especially Proteus mirabilis, symptoms: fatigue, low fever, dysuria, flank pain, pathology: granulomata in parenchyma with foam cells, cholesterol slits, fibrosis, atrophic glomeruli, atypical focal form: may resemble focal carcinoma (12 Dec 1998) |