The Pink Rim Sign: Location of Pink as an Indicator of Melanoma in Dermoscopic Images

Table 1

Number of lesion types by location of pink coloration.

Lesion type	Peripheral-only pink (lesion type total)	Central-only pink	Pink throughout entire lesion
Invasive melanoma*	21 (126); 16.7%**	15 (126); 11.9%	80 (126); 63.5%
Melanoma in situ	22 (170); 12.9%	23 (170); 13.5%	115 (170); 67.7%
Nevus without atypia	18 (271); 6.6%	54 (271); 19.9%	181 (271); 19.9%
Dysplastic nevus, mild atypia	26 (461); 5.6%	103 (461); 22.3%	268 (461); 58.1%
Dysplastic nevus, moderate atypia	2 (70); 2.86%	13 (70); 18.6%	48 (70); 68.6%
Congenital nevus	18 (192); 9.4%	47 (192); 24.5%	101 (192); 52.6%

∗Median Breslow depth: 0.41 mm. **Differences in lesion totals represent lesions with no pink.