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Kidney pain - Definition


Kidney pain is usually localized in the lumbar fossa in the lower back. Typical kidney pain is that of renal colic due to the sudden obstruction of the urinary tract by kidney stones: the pain begins in the back and goes around the side toward the thigh and genitals. Other kidney diseases can cause pain such as pyelonephritis, an infection of the urine in the kidney, polycystic kidney disease, a genetic disease characterized by the presence of kidney cysts, or renal tumors, benign or malignant .