| melanoma | <oncology, tumour> A tumour arising from the melanocytic system of the skin and other organs. When used alone the term refers to malignant melanoma. (18 Nov 1997) |
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| melanoma, amelanotic | An unpigmented malignant melanoma. It is an anaplastic melanoma consisting of cells derived from melanoblasts but not forming melanin. (12 Dec 1998) |
| melanoma growth stimulatory activity | Cytokine of the C X C subfamily. Potent mitogen. Activates and is chemotactic for, neutrophils. (18 Nov 1997) |
| minimal deviation melanoma | <dermatology, tumour> A malignant melanoma showing less cytologic atypia than is usual in melanoma cells showing asymmetric expansile invasion of the dermis. (05 Mar 2000) |
| Cloudman melanoma | <tumour> A transplantable melanoma that arose spontaneously in a mouse of DBA strain, and which grows and metastasizes in mice of related strains. (05 Mar 2000) |
| halo melanoma | <tumour> A rare condition in which a melanoma is surrounded by an irregular area of depigmentation. (05 Mar 2000) |
| Harding-Passey melanoma | <tumour> A melanin-forming tumour that arose spontaneously in a non-inbred mouse, and that is transplantable to mice of many strains but does not ordinarily metastasize. (05 Mar 2000) |
| Xiphophorus melanoma receptor kinase | <enzyme> Growth factor receptor protein with an extracellular ligand binding domain and an intracellular catalytic domain Registry number: EC 2.7.1.- Synonym: xmrk protein (26 Jun 1999) |
| nodular melanoma | <tumour> Primary cutaneous melanoma characterised by dermal invasion extending to the lateral margins of epidermal involvement or ulceration. (05 Mar 2000) |
| subungual melanoma | <tumour> A melanoma beginning in the skin at the border of or beneath the nail. Synonym: melanotic whitlow. (05 Mar 2000) |
| superficial spreading melanoma | <tumour> Primary cutaneous melanoma characterised by intraepidermal growth extending laterally beyond the site of dermal invasion. (05 Mar 2000) |
| desmoplastic malignant melanoma | <tumour> A melanoma with marked fibrosis surrounding atypical spindle-shaped melanocytes in the dermis. (05 Mar 2000) |