All are features of hypernephroma except:: (A) May invade renal vein, (B) Lower pole involvement, (C) More common in males, (D) Cannon ball secondaries are seen
Answer is B. RENAL CELL CARCINOMA (AKA gravitz tumor, hypernephroma, internist's tumor, radiologist's tumor) - More common in males, in 6th and 7th decade - Tumor usually involve upper pole Most common site of distant metastasis are lungs (cannon ball deposits and pulsatile osteolytic secondaries in bone>liver>brain) Characteristic feature of RCC is tendency to invade renal vein