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What is adenoid cystic cancer?
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- adenoid cystic cancer
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- It`s been discovered that, from personal communication, I understand that Doctor Grillo has seen one patient who survived as long as 11 years after irradiation only. In our own experience (I believe we have operated on about 36 patients with adenoid cystic cancer in a 30-year period), I have not seen a local recurrence in any patient in whom a complete resection was achieved at the initial operation. After an incomplete resection, however, the time to recurrence averaged about was 8 years. Irradiation 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 irradiation uses a radioactive substance, such as a radiolabeled monoclonal antibody, that travels in the blood to tissues throughout the body. Also called radiation therapy and radiotherapy. Recurrence, cancer that has recurred (come back), usually after a period of time during which the cancer could not be detected. The cancer may come back to the same place as the original (primary) tumor or to another place in the body. Also called recurrent cancer. Resection, surgery to remove tissue or part or all of an organ.
- It is obvious that, to my knowledge, adenoid cystic cancer is highly radioresponsive in many cases.
- One can assume that, you also note that there are few metastases in lymph nodes in adenoid cystic cancers; most of the nodal metastases are probably due to direct overgrowth by the primary tumor itself. Some of these patients have pulmonary metastases, which may also remain asymptomatic for extremely long periods, and I would appreciate your comments in this regard. 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. Asymptomatic, having no signs or symptoms of disease. Pulmonary, having to do with the lungs. Primary tumor is the original tumor. Lymph is the clear fluid that travels through the lymphatic system and carries cells that help fight infections and other diseases. Also called lymphatic fluid.
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