Renal stone

 According to Radio-density on X-ray

                1.Radio-opaque stone

•   Calcium phosphate stone (as dense as bone )
•   calcium oxalate stone ( more frequently ,about 80%)

              2.Relatively Radiolucent

•  Cystine stones
•  Struvite stone (Magnesium ammonium phosphate stone)

        

               3.Complete Radiolucent

• Pure Uric acid stone
• Xanthine stone
• Indinavir stone
• Matrix stone
• Triamterene stone