|Clinical signs of prostate cancer
Prostate cancer is increasing for years, does not prove itself.
Feature of prostate cancer! Compared with other types of tumors cancers, prostate cancer tends to slow growth. Take place decades before the earliest diagnosed with changes in the cells and while the tumor does not grow enough to cause certain symptoms. In this case, it is a latent cancers (ie, invisible, hidde... Read more »
|TNM classification of prostate cancer
Classification of the International Union Against the system of TNM (2002).
Presented below the classification by the TNM system is applicable only for adenocarcinoma. Transitional cell carcinoma of the prostate tumor is classified as a urethra.
T - Primary tumor.
TX - insufficient data to assess the primary tumor.
T0 - the primary tumor is not determin... Read more »
|Histological classification of prostate cancer
There are the following histological forms of malignant epithelial tumors of the prostate:
Adenocarcinoma (melkoatsinarnaya, krupnoatsinarnaya, kribroznaya, solid or trabecular).
Transitional cell carcinoma.
Squamous cell carcinoma.
Cancer of glandular structure (adenocarcinoma) is most common. It accounts for 90%... Read more »
Risk factors for prostate cancer
Risk factors - those factors that increase the chances of getting cancer. Risk factors do not necessarily lead to cancer. Rather, indicators that reflect the statistical chances of contracting a particular disease.
Prostate cancer is a disease polyetiological.
Risk factors for developing prostate cancer include:
Necessary to detect the disease early, helped by preventive (1 per year), rectal examination, which should be carried out every man older than 40 years. In all cases of doubt, shows the passage of ultrasound examination of pelvic organs.
|Early diagnosis of prostate lesions remains difficult. Diagnosis is based on the whole course of the disease, but also by feeling the prostate through the rectum. Digital rectal examination - the main method of diagnosis of prostate cancer. The differential diagnosis is carried out with BPH. Confident diagnosis of cancer can be diagnosed only when significant amounts cancer, its density and the tuberosity. Before the advent of these expressions for signs of cancer i... Read more »
|Clinical symptoms are not specific to the disease symptoms. Symptoms is frequent urination at night, difficulty urinating, first night and then during the day, feeling of incomplete bladder emptying, increase the amount of residual urine. These symptoms are so similar to the pattern of hypertrophy and prostatic adenoma, also affects men in old age, that in the initial stage of the cancer to distinguish these diseases is nearly impossible. Only later when cancer appe... Read more »
Metastasis. At early stages of prostate cancer occurs only locally, metastases can not be found. In further progression of the tumor lymphogenous metastases of prostate cancer detected in the regional pelvic and retroperitoneal lymph nodes along the abdominal aorta. Prostate cancer is particularly prone to multiple lesions of the bones (spine, pelvis, hip and ribs). Also observed in metastases in the lungs and pleura, soft tissue and liver.
|Among the etiological causes of prostate cancer produce a genetic predisposition, the progression of prostatic hyperplasia and the effect of carcinogens. Noted that prostate cancer is more likely to suffer from the Europeans and Americans than people of Asian continent. To date, it is difficult to determine what is due to: the nature of power, national culture, lifestyle, or something else. There is evidence that eating saturated animal fat and rich in calories, pro... Read more »