What is renal cell carcinoma

Adult renal cell carcinoma is the most common kidney tumor. Male to female ratio is 3.5:1, and often occur after the age of 40, sometimes under 30 years of age, only 20 individual age-year-old. Male smokers is the cause of renal cell carcinoma, and has nothing to do with female smokers. Male smokers exposed to cadmium industry and the environment are higher than the adult kidney. Coffee may increase the risk of renal cell carcinoma, and has nothing to do with the amount of coffee. The incidence of renal cell carcinoma are inclined family. Renal cell carcinoma by tubular epithelial cells. Gradually grow up pelvis invasion occurs when hematuria. If penetrating renal capsule can invade fat renal weeks or even adjacent organs. RCC> 3 cm that is prone to transfer. Clinical manifestations 1. Early asymptomatic. Tumor development of the main symptoms are intermittent painless gross hematuria. 2. Tumors in the kidney or a larger, upper abdominal mass and can be. 3. Pain for advanced symptoms, often waist Duntong. 4. Extra-renal manifestations are fever, high blood pressure, high blood calcium, multi-hyperinsulinemia, of varicocele, the evil of quality and tumor metastasis symptoms. Diagnosis 1. Age> 40-year-old male, painless gross hematuria, should be suspected renal cell carcinoma, 2. Urography showed renal mass. 3. Renal ultrasonography showed a protruding partially thickened, renal collecting system echo pressure shift, round hypoechoic mass kidney. 4.CT scan showed bits of renal lesions substantive. 5. Serum alkaline phosphatase values increased.