Urinbeschau im Mittelalter
Urinary stones

Steinzentrum am See

Stones may occur throughout the whole collecting system of the urinary tract.
Here you will find information on the origin, the symptoms and possible treatments.



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updateted 29.01.2016

  • Causes and Development

    Kidney stones (nephrolithiasis)

    The frequency of Urinary stone diseases has risen steadily in recent years. About 5% of all people in Germany suffer from urinary stones. Men are more frequently affected than women. Half of those affected have to expect a stone recurrence.

    Stones in the urinary tract are formed from the constituents of the urine and can occur throughout the whole urinary tract.

    Renal and ureteral stones occur often due to dietary habits and metabolic diseases. Outflow obstructions in the urinary tract (Harnleiterengen, renal pelvic outlet constriction, Kelchdivertikel, horseshoe kidney, etc.) may increase the risk of the occurance of stones. Bladder voiding disorders, such as an enlarged prostate or urethral stenoses are a common cause of bladder stones.


    Stone type



    Calcium oxalate (Whewellit, Weddellit)

    most common stones (75%)


    Uric acid

    about 10%, mostly related to nutrition


    Apatite / brushite (calcium phosphate)
    Struvite (magnesium ammonium phosphate)

    usually caused by urinary tract infections or      metabolic disorders



    congenital metabolic disorder (genetic defect)


    Silicates (antacids),
    Indinavir (HIV treatment)

    caused by medication, rare




    big urinary bladder stone
  • Signs, symptoms and diagnosis
  • Treatment
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