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)
/blood supply /chem /second /secret /ultrastruct permitted; coord IM with SKIN NEOPLASMS (IM) + site (IM or NIM) if relevant
Other names Melanomas, Amelanotic; Amelanotic Melanomas; Amelanotic Melanoma