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what CAN YOU TELL ME ABOUT THE CANCER MELANOMA OF THE EYES?
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- cancer melanoma
Melanoma is a form of cancer that begins in melanocytes (cells that make the pigment melanin). It may begin in a mole (skin melanoma), but can also begin in other pigmented tissues, such as in the eye or in the intestines. 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- One can recognize, since the results of the Collaborative Ocular Melanoma Study (COMS) suggest that plaque radiation therapy and enucleation of the eye are equally effective for the prevention of metastatic choroidal melanoma, few patients with medium-sized choroidal melanoma are treated by removal of the eye. Ocular melanoma is a rare cancer of melanocytes (cells that produce the pigment melanin) found in the eye. Also called intraocular melanoma. 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). Metastatic, having to do with metastasis, which is the spread of cancer from the primary site (place where it started) to other places in the body. Prevention is in medicine, action taken to decrease the chance of getting a disease or condition. For example, cancer prevention includes avoiding risk factors (such as smoking, obesity, lack of exercise, and radiation exposure) and increasing protective factors (such as getting regular physical activity, staying at a healthy weight, and having a healthy diet). Plaque is in medicine, a small, abnormal patch of tissue on a body part or an organ. Plaques may also be a build-up of substances from a fluid, such as cholesterol in the blood vessels. 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. Therapy, treatment. Enucleation is in medicine, the removal of an organ or tumor in such a way that it comes out clean and whole, like a nut from its shell.
- It seems that, after radiation for large choroidal melanoma, these eyes are at greater risk to have poor vision, to become uncomfortable and may have to be secondarily removed.
- It has been discovered that, this is because the amount of radiation required to kill a choroidal melanoma that fills most of the eye may be too much for the eye to tolerate.
- eyes
Preview- It might seem to be apparant that, like other melanomas typically occurring on the skin, ocular melanoma is the result of cancer developing in I , which produce melanin, a pigment which colors the skin. In types of intraocular melanoma, meaning that the cancer occurs inside the eye rather than on the eyelid or other outer parts of the eye, the eye may be removed in order to prevent the cancer from spreading to other parts of the body, particularly the liver, where it can be fatal. Ocular melanoma is a rare cancer of melanocytes (cells that produce the pigment melanin) found in the eye. Also called intraocular melanoma. Melanin is a pigment that gives color to skin and eyes and helps protect it from damage by ultraviolet light. Intraocular, within the eyeball. Liver is a large organ located in the upper abdomen. The liver cleanses the blood and aids in digestion by secreting bile. Pigment is a substance that gives color to tissue. Pigments are responsible for the color of skin, eyes, and hair. Intraocular melanoma is a rare cancer of melanocytes (cells that produce the pigment melanin) found in the eye. Also called ocular melanoma.
- It seems to be, determination of whether a person has choroidal melanoma is done by eye cancer experts through a comprehensive eye exam inclusive of enquiring about medical past, examination of both eyes, peering inside eyes at the tumor, conducting an ultrasound exam
