Which one of the following is not a feature of clear cell carcinoma of the kidney?: (A) Bony secondaries, (B) Childhood tumour, (C) Haematuria, (D) Renal vein invasion
Answer is B. * Clear cell carcinoma arises from Proximal Convoluted Tubule * Most common ,associated with VHL gene mutation, invade the renal vein& bony secondaries. * Clinical features : -Hematuria -Palpable mass -Costoveebral pain -Fever/ weight loss/malaise * It is not a childhood tumor.