Urinary System Disorders Learning Center

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Renal disorders are diseases of the kidneys. Urological disorders are diseases of the kidneys/urinary tract.

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Cystitis
Cystitis is defined as inflammation of the urinary bladder. Urethritis is an inflammation of the urethra, which is the passageway that connects the bladder with the exterior of the body.
Glomerulonephritis
Glomerulonephritis is a type of kidney disease caused by inflammation of the internal kidney structures (glomeruli), which help filter waste and fluids from the blood.
Urinary Incontinence
Incontinence is the inability to control the passage of urine. This can range from an occasional leakage of urine, to a complete inability to hold any urine. The three main types of urinary inconti...
Kidney Stones
A kidney stone is a solid mass made up of tiny crystals. One or more stones can be in the kidney or ureter at the same time. See also: Cystinuria
Polycystic Kidney Disease (PKD)
Polycystic kidney disease is a kidney disorder passed down through families in which multiple cysts form on the kidneys, causing them to become enlarged.
Kidney Failure
Acute (sudden) kidney failure is the sudden loss of the ability of the kidneys to remove waste and concentrate urine without losing electrolytes.
Urethritis
Urethritis is inflammation of the urethra from any cause.
Interstitial Cystitis
Interstitial cystitis is a long-term (chronic) inflammation of the bladder wall.
Urinary Tract Infection (UTI)
A urinary tract infection, or UTI, is an infection that can happen anywhere along the urinary tract. The urinary tract includes the: Bladder; Kidneys; Ureters - the tubes that take urine from each ...
Bladder Stones
Bladder stones are hard buildups of mineral that form in the urinary bladder.
Chronic Renal Failure (CRF)
Chronic renal failure is a slowly worsening loss of the ability of the kidneys to remove wastes, concentrate urine, and conserve electrolytes.
Acute Tubular Necrosis (ATN)
Acute tubular necrosis is a kidney disorder involving damage to the tubule cells of the kidneys, resulting in acute kidney failure.
Diabetic Nephropathy
Diabetic nephropathy is kidney disease or damage that results as a complication of diabetes. See also: Type 1 diabetes; Type 2 diabetes; Risk factors for diabetes.
Membranous Glomerulonephritis
Membranous nephropathy is a kidney disorder which involves changes and inflammation of the structures inside the kidney that help filter waste and fluids. The inflammation leads to problems with ki...
Goodpasture Syndrome
Goodpasture syndrome is a disease that affects the kidneys and lungs. It usually involves rapidly progressive kidney failure that develops in days to weeks along with lung disease (cough, shortness...
Hepatorenal Syndrome
Hepatorenal syndrome is a condition in which the kidneys fail suddenly in a person with cirrhosis of the liver. It is a serious complication of cirrhosis.
Hydronephrosis
Unilateral hydronephrosis is swelling of one kidney due to a backup of urine. See also: Bilateral hydronephrosis
Pyelonephritis
Pyelonephritis is an infection of the kidney and the ducts that carry urine away from the kidney (ureters.
Ureteral Obstruction
Acute unilateral is a sudden blockage in one of the tubes (ureters) that drain urine from the kidneys. See also: Acute bilateral obstructive uropathy; Chronic unilateral obstructive uropathy; Chron...
Urethral Stricture
Urethral stricture is an abnormal narrowing of the urethra (the tube that releases urine from the body.
Lupus Nephritis
Lupus nephritis is a kidney disorder that is a complication of systemic lupus erythematosus.
Urinary Tract Obstruction
Obstructive uropathy is a condition in which the flow of urine is blocked, causing it to back up and injure one or both kidneys.
Kidney Infections
Pyelonephritis is an infection of the kidney and the ducts that carry urine away from the kidney (ureters.
Nephrogenic Diabetes Insipidus
Nephrogenic diabetes insipidus is a disorder in which a defect in the small tubes (tubules) in the kidneys causes a person to pass a large amount of urine. The tubules allow water to be removed fro...
End Stage Renal Disease (ESRD)
End-stage kidney disease is a complete or near complete failure of the kidneys to function to excrete wastes, concentrate urine, and regulate electrolytes. Also called End-stage renal disease (ESRD.
Hypertensive Renal Disease
Renal failure (kidney failure) is caused primarily by chronic high blood pressure (hypertension) over many years. Hypertension is the second major cause, after diabetes , of end stage renal diseas...
Urinary Tract Stones
A kidney stone is a solid mass made up of tiny crystals. One or more stones can be in the kidney or ureter at the same time. See also: Cystinuria

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