stage 0 melanoma

Abnormal melanocytes (cells that make melanin, the pigment that gives skin its color) are found in the epidermis (outer layer of the skin). These abnormal melanocytes may become cancer and spread into nearby normal tissue. Also called melanoma in situ.

English dictionary of cancer terms . 2015.

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  • stage II melanoma — Stage II is divided into stages IIA, IIB, and IIC. In stage IIA, the tumor is either 1 to 2 millimeters thick, with ulceration; or 2 to 4 millimeters thick, with no ulceration. In stage IIB, the tumor is either 2 to 4 millimeters thick, with… …   English dictionary of cancer terms

  • stage I melanoma — Stage I is divided into stages IA and IB. In stage IA, the tumor is not more than 1 millimeter thick, with no ulceration. The tumor is in the epidermis (outer layer of skin) and upper layer of the dermis (inner layer of skin). In stage IB, the… …   English dictionary of cancer terms

  • stage IIB melanoma — Melanoma in which the tumor is more than 4 millimeters thick. It has spread through the lower part of the inner layer of skin (dermis) and into subcutaneous (under the skin) tissue, but not to nearby lymph nodes …   English dictionary of cancer terms

  • stage III melanoma — The tumor may be any thickness, with or without ulceration (formation of a break on the skin or surface of an organ), and (1) has spread to 1 or more lymph nodes; or (2) has spread into the nearby lymph system but not into nearby lymph nodes; or… …   English dictionary of cancer terms

  • stage IV melanoma — The tumor may be any thickness, with or without ulceration (formation of a break on the skin or surface of an organ), may have spread to 1 or more nearby lymph nodes, and has spread to other places in the body …   English dictionary of cancer terms

  • Melanoma — Classification and external resources A melanoma ICD 10 C43 …   Wikipedia

  • melanoma — /mel euh noh meuh/, n., pl. melanomas, melanomata / meuh teuh/. Pathol. any of several types of skin tumors characterized by the malignant growth of melanocytes. [1825 35; MELAN + OMA] * * * Dark coloured malignant tumour of skin cells that… …   Universalium

  • melanoma in situ — Abnormal melanocytes (cells that make melanin, the pigment that gives skin its color) are found in the epidermis (outer layer of the skin). These abnormal melanocytes may become cancer and spread into nearby normal tissue. Also called stage 0… …   English dictionary of cancer terms

  • nontumorigenic melanoma — melanoma in the stage of radial growth, when the risk of metastasis is slight; cf. tumorigenic m …   Medical dictionary

  • tumorigenic melanoma — melanoma in the stage of vertical growth, when the risk of metastasis becomes significant; cf. nontumorigenic m …   Medical dictionary

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