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Melanoma iscancer of melanocytes. Melanocytesare cells that produce the dark pigment, melanin, which is responsible for the color of skin. These cells predominantly occur in skin, but are also found in other parts of the body, including the bowel and the eye (see uveal melanoma). Melanoma can originate in any part of the body that contains melanocytes.
It's complicated: Any suspicious mole should be checked by your doctor. Moles with multiple colors are surely more suspicious for melanoma, but not definitive. On the other hand, some melanomas have no pigmentation, making them much harder to diagnose. ...Read moreSee 2 more doctor answers
Via blood and lymph: Like other cancers, melanomas spread (metastasize) via 2 pathways. First, via the lymph system, where the tumor gets caught in lymph nodes. Sentinel node biopsy is helpful to determine lymph node involvement. Next, it can spread via the blood. That's how melanoma can go from your skin anywhere to the brain, lung, liver, etc. It's propensity to do this makes melanoma so dangerous. ...Read moreSee 2 more doctor answers
Use ABCDE RULE: It's best to see a dermatologist but a good rule of thumb is the abcd guidelines a=asymmetry of lesion b=border is irregular c=colors are multiple and not consistent d=diameter is greater than 6mm e=evolution of lesion with changes and enlargement. ...Read moreSee 2 more doctor answers
Many disguises: I have seen melanoma spread nearly everywhere you can imagine, and the site of metastasis dictates the symptoms that may occur. Common sites include lymph nodes, lung, liver, bone, and small intestine. Lymph nodes: a lump in the underarm, neck, or groin. Lung: cough, shortness of breath or bloody sputum. Liver: jaundice or pain. Bone: pain or fracture. Small intestine: bloody bm, blockage. ...Read moreSee 2 more doctor answers
The last couple of months i discovered a black spot on the roof of my mouth. I don't smoke, pretty healthy (low vit. D).Sign of cancer? Melanoma?
Depends: All black spots are not cancers or melanoma, but it they change in shape, size or color, they need to be evaluated by a doctor. ...Read more
Metastases: PET CT is often utilized to identify metastases from melanoma. Utilizes isotope F18 FDG for glucose metabolism of malignant lesions to identify them. Most malignant neoplasms have increased metabolic activity. CT portion compares anatomic lesion with area of increased uptake shown by PET. ...Read moreSee 2 more doctor answers
Skin is the largest and one of the most complex organs in the body composed of hundreds of different structures. Nearly any of these elements can degenerate into cancer. However the three most common are: basal cell, squamous cell and melanoma which occur in that order and degree of aggressiveness. Although heredity plays a major role, sun exposure and tobacco use & ...Read more
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