Metastasis as a term derives from a Greek term, which means change of place in the English language. In cancer metastasis research, tumor metastasis is known as the process through which tumor cells move from their original cancer site to other places within the body. The complexity of the process is high and it is only partially understood in modern research. The full understanding of the process is yet to be established by research at biochemical and molecular levels.
Surgery and radiation therapy can be used to adequately treat most cancers. The two treatment choices can either be used to remove or destroy the primary tumor successfully. However, what is contributing to mortality and morbidity in most cancer patients is the spread of tumor cells to secondary locations in the body. It would be very simple for the treatment of the disease to be done if only metastasis can be stopped from happening.
Scientists often make a comparison of the process of metastasis to marathon. Upon the development of malignant tissues, they begin to infest solid tissues around them. Body tissues contain a variety of cells and are very complex. For instance, body tissues have fibroblasts. These cells offer lymphatic drainage, support, and immune cells. They give a barrier that must be infiltrated by tumor cells. Malignant cells adapt to the presence of this barrier by developing the ability to move.
The movement of tumor cells does not happen in a strange way. The cells do not float out of a tissue. Instead, they crawl. They do this by basically reacting to factors within their environment. They extend finger-like extensions of their cell that allow them to move forward. To be able to move forward, they have to alter their ability to adhere to other cells in the body and the protein matrix.
Metastasis as indicated by research is very inefficient. Only 0.01 percent of the tumor cells that get into the blood stream finally metastasize. However, it is still impossible for researchers to establish when and if the tumor cells become metastatic. When being treated, cancer evaluation involves its ability to metastasize.
As a result, the patient gets treatment tailored to the capacity of the cancer they suffer from to become metastatic. Advanced cancers have an increased chance of getting metastatic when compared to early cancers. As such, progressive cancers are normally treated with more aggression as opposed to those in initial stages. Malignant cells normally get metastatic via two main avenues. These are lymphatic vessels and the bloodstream.
The lymphatic drainage is usually the preferred escape route for most tumor cells. This is the reason why a doctor performs a biopsy of the lymphatic node for determining whether the spread of cancerous cells has occurred. From there, they can get into the bloodstream. Cancerous cells can also enter the bloodstream from the blood vessels that are in the primary tumor besides the lymphatic vessels.
Most tumor cells die when they enter the bloodstream as it is a very harsh environment. This is because it has immune cells and blood flows at a high speed. However, some end up in different organs where they grow into tumors.
Surgery and radiation therapy can be used to adequately treat most cancers. The two treatment choices can either be used to remove or destroy the primary tumor successfully. However, what is contributing to mortality and morbidity in most cancer patients is the spread of tumor cells to secondary locations in the body. It would be very simple for the treatment of the disease to be done if only metastasis can be stopped from happening.
Scientists often make a comparison of the process of metastasis to marathon. Upon the development of malignant tissues, they begin to infest solid tissues around them. Body tissues contain a variety of cells and are very complex. For instance, body tissues have fibroblasts. These cells offer lymphatic drainage, support, and immune cells. They give a barrier that must be infiltrated by tumor cells. Malignant cells adapt to the presence of this barrier by developing the ability to move.
The movement of tumor cells does not happen in a strange way. The cells do not float out of a tissue. Instead, they crawl. They do this by basically reacting to factors within their environment. They extend finger-like extensions of their cell that allow them to move forward. To be able to move forward, they have to alter their ability to adhere to other cells in the body and the protein matrix.
Metastasis as indicated by research is very inefficient. Only 0.01 percent of the tumor cells that get into the blood stream finally metastasize. However, it is still impossible for researchers to establish when and if the tumor cells become metastatic. When being treated, cancer evaluation involves its ability to metastasize.
As a result, the patient gets treatment tailored to the capacity of the cancer they suffer from to become metastatic. Advanced cancers have an increased chance of getting metastatic when compared to early cancers. As such, progressive cancers are normally treated with more aggression as opposed to those in initial stages. Malignant cells normally get metastatic via two main avenues. These are lymphatic vessels and the bloodstream.
The lymphatic drainage is usually the preferred escape route for most tumor cells. This is the reason why a doctor performs a biopsy of the lymphatic node for determining whether the spread of cancerous cells has occurred. From there, they can get into the bloodstream. Cancerous cells can also enter the bloodstream from the blood vessels that are in the primary tumor besides the lymphatic vessels.
Most tumor cells die when they enter the bloodstream as it is a very harsh environment. This is because it has immune cells and blood flows at a high speed. However, some end up in different organs where they grow into tumors.
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