Kidney Cancer

Kidney cancer is a malignant tumor derived from urinary tubular epithelium, in general growth is somewhat slow, but sometimes it can be very fast, it can grow on any part of the renal parenchyma. Kidney cancer can be gradual invasion into nearby tissues and organs through the primary tumor, metastases can also exit through the lymphatic or venous blood vessels.

Incidence rates of kidney cancer

Kidney cancer is one of the common malignant tumor in the urinary system, the incidence rate reached 3% ~ 6% of all malignant tumors. Each year incidence rates of kidney cancer worldwide increased 2%, kidney cancer patients who die each year is approaching 100,000 cases. Kidney Cancer occupy levels 80% ~ 90% of malignant tumors of adults. Kidney tumor is most common in adults. Comparison between patients with kidney cancer men and women is 2: 1, can occur at any age, the highest incidence rates of 50-70 years of age.

Many factors affect the survival rate of kidney cancer, kidney cancer patients after general surgery nephrectomy 5-year survival rate of approximately 35% ~ 40%, 10-year survival rate of about 17% ~ 30%. The prognosis of kidney cancer is sometimes difficult to estimate, within a period of 20-30 years or even longer after surgery nephrectomy, metastatic lesions appear.

The cause of kidney cancer ?

Kidney cancer incidence rates are very high, but people still do not understand clearly the true cause of kidney cancer. Kidney cancer is caused by joint effect of various factors.

(1) Smoking: Dangers of kidney cancer for those who smoked over 30 years and smoking cigarettes without filters is very high.

(2) Obesity and high blood pressure: Overweight and high blood pressure are two factors that can lead to dangerous kidney cancer in men.

(3) Occupation: Worker field of metal, newspaper printing workers, coal charcoal workers, the dry cleaning industry and trade of petrochemical products, it can increase the rate of kidney cancer incidence and mortality risk.

(4) The radiation: In the long period of exposure under a weak radioactive source can increase the risk of kidney cancer.

(5) Genetics: The population of people who kelurganya member had cancer, the incidence rate is higher than ordinary people.

(6) Food and drugs: According to the survey, consume dairy products, animal protein and high amounts of fat, consume less fruit and vegetables is a danger factor that can lead to kidney cancer.