MeSH definition : 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);
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)
http://www.dermis.net/dermisroot/fr/18134/diagnose.htm Germany French melanoma, amelanotic image scientific and technical information