TOPICS: Kidney stones, calculus, hematuria, colicky pain, ureteropelvic junction, ureterovesical junction, calcium oxalate, calcium phosphate, radiopaque, radiopaque prism, hydrochlorothiazide, ammonium magnesium phosphate, struvite, staghorn calculi, radiopaque coffin, urease, uric acid, gout, radiolucent rhomboid, chronic diarrhea, potassium bicarbonate, potassium citrate, allopurinol, cystine, radiopaque hexagons, cystinuria