Neoplastic Process
amelanotic melanoma Audio
[ ay-meh-luh-nah-tik meh-luh-noh-muh ]
Subclass of:
melanoma
Definitions related to melanoma, amelanotic:
  • (melanoma, amelanotic, malignant) A malignant neoplasm composed of melanocytes, which lack melanin.
    CDISC Terminology
    Clinical Data Interchange Standards Consortium (CDISC), 2021
  • (amelanotic melanoma) 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
    U.S. National Cancer Institute, 2021
  • (amelanotic melanoma) A type of skin cancer in which the cells do not make melanin. Skin lesions are often irregular and may be pink, red, or have light brown, tan, or gray at the edges.
    NCI Dictionary of Cancer Terms
    U.S. National Cancer Institute, 2021
  • An unpigmented malignant melanoma. It is an anaplastic melanoma consisting of cells derived from melanoblasts but not forming melanin. (Dorland, 27th ed; Stedman, 25th ed)
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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