<prompt> Stone seen in urinary tract infection is -Calcium oxalateUric acid stonesStaghorn calculusCysteine stones  <response>: Ans. is c i.e., Staghorn calculus Urolithiasiso Calcium Oxalate stones - associated with hypercalcemia and hypercaleiuriao Staghorn Calculi - Large Magnesium ammonium phosphate stones formed in patients with infection of urine splitting organisms Proteus and some staphylococci followed by precipitation in alkaline urine,o Uric acid stones - Patients with hyperuricemiao Cystine stones - Genetic defect in renal reabsorption of cytine leading to cystinuria. 