Table 3

Comparison of elements in clinical prediction rules for malignant melanoma

(a) Clinical rules
Clinical CPR name
ElementsABCDABCDE7-point checklistRevised 7-point checklist
AsymmetryXXX
Border irregularityXXX
Colour variegationXXXX
Diameter (>6 mm)XXX (>7 mm)X (>7 mm)
Evolving (eg, size, shape, colour)XX (size)X
Altered sensationXX
InflammationXX
Crusting, bleedingXX
Cut-point≥1≥1 or ≥2≥3≥3
(b) Dermoscopic rules
CPR name
ElementABCD7-point checklistRevised 7-point checklistMenzies 19963-point checklist7FFMCASHABCDE3-colour testKreusch 1992Nilles 1994Menzies 2008—melanomaMenzies 2008—skin cancerDynaMelSimplified ABCAC rule
AsymmetryXXXXXXXXXXXX
Multiple colours (light/dark brown, black, red, white, blue)XXXXXXXXXXXXX
Architectural disorder (structures and colours)XXXXXXXX
Atypical networkXXXXXXXXX
Blue-white veilXXXXXX
Blue-white structuresXX
Streaks/radial streaming/pseudopodsXXXXXXXXXX
Dots, globulesXXXXXXXXX
Regression structures or erythemaXXXXXXXX
ScarringXX
Blotches (structure less region >10%XXX
Atypical vascular patternXXXXXXX
Recognisable as benignX
Abrupt cut-off border pigmentXXXX
Blue-grey dotsX
ChangeXXXX
Cut-point≥4.75
≥5.45
≥3≥1≥1, no features≥1≥2≥2Not reported≥3Not reportedNot reported≥1≥0 (high sensitivity)
≥1 (high specificity)
≥3≥4Not reported
  • ABC, Asymmetry, irregular Borders, more than one or uneven distribution of Colour; ABCD, Asymmetry, irregular Borders, more than one or uneven distribution of Colour, or a large (greater than 6 mm) Diameter; ABCDE, Asymmetry, irregular Borders, more than one or uneven distribution of Colour, or a large (greater than 6mm)Diameter, Evolution of moles; AC, asymmetry, colour variation; CASH, color, architecture, symmetry, and homogeneity; CPR, clinical prediction rules; FFM, features for melanoma.