Painless gross hematuria occurs in ?: (A) Renal cell carcinoma, (B) Polycystic kidney, (C) Stricture of urethra, (D) Wilm's tumor
Answer is A. Ans. is 'a' i.e., Renal cell carcinoma Hematuria without other symptoms (silent hematuria) must be regarded as a symptom of tumor of the bladder or kidney until proved otherwise." - Smith's Urology Among the given causes Renal Cell Carcinoma & Wilm's tumor, both can cause gross, painless hematuria. RCC being a much more common cause is the option of choice.