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Cancer - What is posterior
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- cancer posterior
Posterior is in human anatomy, has to do with the back of a structure, or a structure found toward the back of the body. Cancer is a term for diseases in which abnormal cells divide without control and can invade nearby tissues. Cancer cells can also spread to other parts of the body through the blood and lymph systems. There are several main types of cancer. Carcinoma is a cancer that begins in the skin or in tissues that line or cover internal organs. Sarcoma is a cancer that begins in bone, cartilage, fat, muscle, blood vessels, or other connective or supportive tissue. Leukemia is a cancer that starts in blood-forming tissue such as the bone marrow, and causes large numbers of abnormal blood cells to be produced and enter the blood. Lymphoma and multiple myeloma are cancers that begin in the cells of the immune system. Central nervous system cancers are cancers that begin in the tissues of the brain and spinal cord. Also called malignancy.
Preview- Evidently, there is a school of thought that small oral tongue cancers can be better managed by radiation therapy alone, and this is indeed true in some cases, especially where the patient has serious heart and/or lung disease that might make anesthesia risky. Anesthesia is a loss of feeling or awareness caused by drugs or other substances. Anesthesia keeps patients from feeling pain during surgery or other procedures. Local anesthesia is a loss of feeling in one small area of the body. Regional anesthesia is a loss of feeling in a part of the body, such as an arm or leg. General anesthesia is a loss of feeling and a complete loss of awareness that feels like a very deep sleep. Radiation therapy is the use of high-energy radiation from x-rays, gamma rays, neutrons, protons, and other sources to kill cancer cells and shrink tumors. Radiation may come from a machine outside the body (external-beam radiation therapy), or it may come from radioactive material placed in the body near cancer cells (internal radiation therapy). Systemic radiation therapy uses a radioactive substance, such as a radiolabeled monoclonal antibody, that travels in the blood to tissues throughout the body. Also called irradiation and radiotherapy. Oral, by or having to do with the mouth. Therapy, treatment. Radiation, energy released in the form of particle or electromagnetic waves. Common sources of radiation include radon gas, cosmic rays from outer space, medical x-rays, and energy given off by a radioisotope (unstable form of a chemical element that releases radiation as it breaks down and becomes more stable). Lung, one of a pair of organs in the chest that supplies the body with oxygen, and removes carbon dioxide from the body.
- It seems to be, some cases of Oral Tongue Cancer can be treated with just removal of the primary tumor in the tongue. But as the size of the primary tumor increases the statistical possibility of some cancer cells spreading through lymphatic vessels to the lymph nodes of the neck increases. Primary tumor is the original tumor. Tumor is an abnormal mass of tissue that results when cells divide more than they should or do not die when they should. Tumors may be benign (not cancer), or malignant (cancer). Also called neoplasm.
- It might seem to be apparant that, radiation therapy can also be used to control the cancer in the neck nodes as long as it is not too advanced. Interestingly, in those cases, we will sometimes remove massive neck node disease before starting radiation therapy when we know that x-ray therapy alone would not be successful in controlling the neck disease. X-ray is a type of radiation used in the diagnosis and treatment of cancer and other diseases. In low doses, x-rays are used to diagnose diseases by making pictures of the inside of the body. In high doses, x-rays are used to treat cancer. X-ray therapy is a type of radiation therapy that uses high-energy radiation from x-rays to kill cancer cells and shrink tumors.
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