A 62 year old patient presents with hematuria. On investigations he is
found to have renal calculi, calcifications in the wall of urinary bladder and
small contracted bladder. most likely cause is: (A) Bladder diverticulitis, (B) Schistosomiasis, (C) Prostate calculi, (D) Ca. bladder
Answer is B. Schistosomiasis will cause calcification and increases risk for ca. Bladder
(SCC > TCC).