Melanoma often appears as a brown or black spot on the skin, sometimes developing from a mole that has been present for a long time. Melanoma rarely causes obvious symptoms such as pain. Melanoma begins in the cells that produce skin color. Dark-skinned people are naturally at much lower ...
n. 黑素细胞 A cell in the epidermal layer of the skin that produces the dark brown or black pigmentmelanin mole 美[məʊl] 英 [məʊl] n.痣 A dark-brown lump or spot on your skin that is permanent immunosuppressive 美[ˌɪmjənoʊsə'pr...
fair skin, and having too many moles are risk factors for melanoma that are frequently found in most individuals. Therefore, it is never too early to learn the warning signs of melanoma. If melanoma is ignored and left to grow on its own, it can rapidly metastasize to the lymph nodes...
This is the most common type of melanoma (~65% of all cases). This type typically starts as a brown or black spot that spreads across the skin and can also invade the structures lying beneath. It may present as a new spot or it may develop from an existing spot, freckle or mole tha...
From Longman Dictionary of Contemporary EnglishRelated topics: Illness & disabilitymelanomamel‧a‧no‧ma /ˌmeləˈnəʊmə $ -ˈnoʊ-/ noun [countable] technicalMI a tumour on a person’s skin which causes cancerExamples from the Corpusmelanoma• A melanoma originally diagno...
A black line on your nail could be normal or it could be a sign of melanoma. Dermatologists share how to identify skin cancer on the nail.
a mole is a long-lasting skin spot that is a little darker than a freckle. Since there are a variety of benign and malignant skin growths which fulfill this description, more precision is necessary. The number of moles present on a particular person is most closely related to skin color ...
Byzenmaster— On Nov 05, 2010 Nicely done -- I have really pale skin, so I always have to be careful to monitor myself for skin melanoma symptoms. I try not to get go out when the sun is really bright, and if I do I always wear sunscreen, since there's a history of malignant...
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The majority of malignant or cancerous melanomas are brown-to-black pigmented lesions, or moles. Moles are simply growths on the skin that rarely develop into cancer. Most people have 10 to 30 moles on their body that can be identified as flat or raised, smooth on the surface, round or...