“…According to Dahrill, 2021, of all patients with bladder stones, the percentage of ammonium acid urate (AAU) ranks first at about 74.37 %. followed by calcium oxalate (CaOx) at 39.5 %, and then gradually Uric acid (UA) at 11.46 %, calcium phosphate apatite (CaP) at 9.25 %, struvite (magnesium ammonium phosphate) at 4.34 %, cystine at 1.16 %, and xanthine at 3.85 % ( 9 ). In our case, we found that the stone is composed of 57 % uric acid stone and 33 % calcium oxalate stone.…”