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The causes of metastasis and symptoms of their appearance

In the modern world there is no more terrible and unexplained illness than cancer. The causes and mechanism of its occurrence is practically not studied. The situation is compounded by the fact that the disease in most cases does not manifest itself immediately. Often, after feeling unwell, the patient is already at a late stage of the disease.

It is known that the treatment of this disease is a very laborious affair. After all, if after the treatment will be at least one living tumor cell, it will again develop into a tumor. In addition to the high probability of relapse, the risk of development of metastases.

What is the danger of metastasis?

Metastasis is displaced to other organs by blood or lymph fluid, cancer cells that form new foci of cancer.

metastazyTumor cells begin to break away from a malignant tumor almost immediately after its occurrence. However, the immune system some time holds back their development in the body in which they were delivered to the liquid media of the organism. For unexplained reasons, at a certain point, these cells begin to multiply rapidly. And the growth of metastasized cells begin to produce growth hormone, which leads to the emergence of a network of blood vessels around the secondary tumor.

There is a vicious circle: the network of capillaries, improves the supply of the cancerous lesion with nutrients, which in turn promotes the growth of the tumor. And the growing tumor secretes more growth hormones for the development of blood vessels.

Because of its numerous secondary foci of cancer is much more dangerous for the patient than the original tumor.

What determines the growth of metastases?

Accurate and substantiated causes of metastasis and the mechanism of their formation modern medicine can not name. However, it is known that the rate at which metastases migrate around the body, and, subsequently, grow, depends on many factors:

  • Depending on the type of neoplasm metastases can develop from almost the moment of occurrence of the cancer, and may not appear for many years.
  • From the stage of the cancer, where the patient resides at the time of diagnosis and start of treatment, depends or not have time to penetrate the affected cells from the tissue into the blood or lymphatic vessels, in which a current of liquid, they will spread to other organs.
  • Correctly chosen initial treatment is of great importance, as most likely to recover and avoid relapse is in patients in the early stages of the disease.
  • Not the last value in the intensity of growth of metastases is played by the patient's age. The younger the patient is, the faster developing cancer and the greater the likelihood of relapse and growth of secondary tumor foci.

Symptoms of metastasis

ustalostThere are no exact symptoms of the emergence and growth of metastases. Symptoms depends on the type of cancer. So, for example, prostate cancer often metastases occur in the pelvis and spine, accompanied by unbearable pain and forced a decrease in motor activity, numbness of hands and feet, as well as increased bone fragility and susceptibility to fractures.

The most frequently recorded General characteristics of the process of growth of metastases are:

  • A slight increase in temperature.
  • Fatigue.
  • Loss of appetite and weight loss.
  • Nausea.
  • Shortness of breath.
  • Pain.

It should be remembered that, in most cases, the cause of metastasis is the lack of treatment. Therefore, after removal of the tumor, radiotherapy or chemotherapy patient during the two-year period on a quarterly basis must be checked by an oncologist.