Signs and Evidence

Making clinical sense of scientific data

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Beware of the limitations of this tool

Melanoma

Calculated pretest probability: 0.03 %
Relevant inclusion criteria: Any mole, lifetime chance, men 


Clinical signs

1Enlarging
2Diameter > 6 mm
3Asymmetry
4Irregular border
5Two or more colors





Sources used:

1.Mark Ebell et al. Clinical Diagnosis of Melanoma. Am Fam Physician. 2008 Nov 15;78(10):1205-1208
2.Thomas L et al. Semiological value of ABCDE criteria in the diagnosis of cutaneous pigmented tumors. Dermatology. 1998;197(1):11-7
3.Hensin Tsao et al. The Transformation Rate of Moles (Melanocytic Nevi) Into Cutaneous MelanomaA Population-Based Estimate. Arch Dermatol. 2003;139(3):282-288