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melanoma
(redirected from amelanotic melanoma)

    Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson 0.03 sec.
melanoma: see skin cancer skin cancer, malignant tumor of the skin . The most common types of skin cancer are basal cell carcinoma, squamous cell carcinoma, and melanoma. Rarer forms include mycosis fungoides (a type of lymphoma) and Kaposi's sarcoma .
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melanoma

Dark-coloured malignant tumour of skin cells that produce the protective skin-darkening pigment melanin. Melanomas are prone to metastasize (see cancer) and are associated with the highest death rate of any skin cancer. Removal, together with a collar of surrounding healthy skin, cures melanoma if done early. A common cause of melanoma is skin damage from sunlight. It is very rare in persons with dark skin.

melanoma
Pathol a malignant tumour composed of melanocytes, occurring esp in the skin, often as a result of excessive exposure to sunlight
melanoma [mel·ə′nō·mə]
(medicine)
A malignant tumor composed of anaplastic melanocytes.
A benign or malignant tumor composed of melanocytes.


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In the case described by Ikeda et al, a patient with cutaneous amelanotic melanoma developed a metastatic tumor that involved the epiglottis; the tumor was successfully excised via an intraoral approach and KTP/532 laser surgery.
Primary malignant melanoma of the epiglottis: a rare presentation by Hashmi, Syed / Ear, Nose and Throat Journal
A patient with amelanotic melanoma may look well, but will likely soon be dead.
Severity of illness: red herring or horse of a different color? by Goldschmidt, Peter G. / Physician Executive
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