Score range | Criteria | Points | Multiply points by factor | FDS* range |
0-2 | Asymmetry | No asymmetry | 0 | x 1.3 | 0-2.6 |
Mono-axial asymmetry | 1 |
Bi-axial asymmetry | 2 |
0-8 | Border | No sharp border | 0 | x 0.1 | 0-0.8 |
One segment with sharp border | 1 |
Two segments with sharp border | 2 |
Three segments with sharp border | 3 |
Four segments with sharp border | 4 |
Five segments with sharp border | 5 |
Six segments with sharp border | 6 |
Seven segments with sharp border | 7 |
Eight segments with sharp border | 8 |
1-6 | Color | White | 1 | x 0.5 | 0.5-3 |
Red | 1 |
Light brown | 1 |
Dark brown | 1 |
Blue-gray | 1 |
Black | 1 |
1-5 | Dermoscopic structure | Network | 1 | x 0.5 | 0.5-2.5 |
Aggregated globules | 1 |
Dots | 1 |
Structureless areas | 1 |
Branched streaks | 1 |
FDS range: | 1-8.9 |