melanoma in situ

Pronunciation: (MEH-luh-NOH-muh in SY-too)

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 melanoma.

Source: NCI Dictionary of Cancer Terms

Caption: Stage 0 melanoma in situ. Abnormal melanocytes are in the epidermis (outer layer of the skin).

2006-11-17 Date last modified: 2008-10-17Melanoma TreatmentMelanoma: Tratamiento