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Amelanotic melanoma
Pronunciation
Definition 1
A type of skin cancer in which the cells do not make the pigment melanin. Skin lesions are often irregular and may be pink, red, or have light brown, tan, or gray at the edges. (NCI Dictionary)
Definition 2
A melanoma characterized by the complete absence of melanin pigment in the melanoma cells. It occurs more frequently on the face and it is often associated with desmoplastic reaction. (NCI Thesaurus)
Definition 3
A malignant neoplasm composed of melanocytes, which lack melanin. (NCI Thesaurus/CDISC)
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