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| Type | Vascular feature | Pigmentary feature |
|---|---|---|
| I | Nevus flammeus | Nevus pigmentosus et verrucous |
| II | Nevus flammeus±anemic nevus | Mongolian spot |
| III | Nevus flammeus±anemic nevus | Nevus spilus |
| IV | Nevus flammeus±anemic nevus | Mongolian spot, nevus spilus |
| V | Cutis marmorata telangiectatica congenita | Mongolian spot |
All types are subdivided into type (a) or (b). (a): cutaneous disease only, (b): cutaneous and systemic disease.
