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Basal Cell carcinoma

BCCs appear as a pearly lump or a dry scaly area on the skin. The lesion might ulcerate and never heals completely.

Squamous cell Carcinoma

SCCs appear as a thick, red scaly spot that bleeds easily. The surface may crust or ulcerate.


Melanoma usually appears as a freckle, new pigmented spot or mole that changes colour, shape or becomes thick within weeks or months. Moles or spots suggestive of melanoma show one or more of the following features on examination. (ABCDs): Asymmetry, Border irregularity, Colour changes, a Diameter more than the size of a pencil eraser. For a detailed account of melanoma visit this Fact File from the Royal College of Pathologists of Australasia.

Last Review Date: March 15, 2016