PROSTATE CANCER

Prostate cancer incidence rates high in Europe and the United States, second only to lung cancer in elderly men, but relatively rare in China, the incidence rate of increase in recent years.

[Causes pathological]

The cause of prostate cancer has not been identified, may be genetic, environmental, and the sex hormones. Prostate androgen secretion by the testis nine ketone conditioning, gonadotropin luteinizing hormone indirect role to play. Juvenile emasculated never occurred to prostate cancer.

Prostate cancer is a hidden disease, imperceptibly slow growth, a rare occurrence in the early symptoms, and once the symptoms are often confused with benign prostatic hyperplasia, showed frequency and nocturia increased urination slow, or even urinary retention. But with benign prostatic hyperplasia significantly different from the prostate cancer urinary obstruction in the early symptoms can be a transfer, 1 / 3 of patients transferred to the liver, lung, brain and other organs, bone marrow and lymph system violations. Some direct manifestation of prostate cancer metastasis sites in clinical symptoms. Men over the age of 50 in about 30% of the people have latent prostate cancer, about 2 / 3 of patients were diagnosed with prostate cancer, has been transferred. Some say that prostate cancer is a vicious killer good at camouflage, inadvertently, mercilessly swallowed a minimum.