Inflammation of the Renal Pelvis

Synonyms Medical: pyelonephritis Upper UTI (urinary tract infection), pyonephrosis, urosepsis Definition Inflammation of the renal pelvis (pyelonephritis) is an interstitial (i.e. between the actual renal tissue), bacterial, tissue-destroying (destructive) inflammation of the kidney and the renal pelvic caliceal system. Inflammation of the renal pelvis can occur on one or both sides. Causes Chronic inflammation of … Chronic inflammation of renal pelvis