pyelitis

Inflammation of the renal pelvis. [pyel- + G. -itis, inflammation]

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py·eli·tis .pī-ə-'līt-əs n inflammation of the lining of the renal pelvis of a kidney

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n.

inflammation of the pelvis of the kidney (the part of the kidney from which urine drains into the ureter). This is usually caused by a bacterial infection, which may develop in any condition causing obstruction to the flow of urine. The patient experiences pain in the loins, shivering, and a high temperature. Treatment is by the administration of a suitable antibiotic, together with analgesics and a high fluid intake. Any underlying abnormality of the urinary system must be relieved to prevent further attacks.

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py·eli·tis (pi″ə-liґtis) [pyel- + -itis] inflammation of the renal pelvis, often accompanied by symptoms such as pain and tenderness in the loins, irritability of the bladder, bloody or purulent urine, and a peculiar pain on flexion of the thigh. See also pyelonephritis. pyelitic adj