<unk>  is subdivided into five types: * Type 1 PWS + epidermal nevus * Type 2 (most common): PWS + dermal melanocytosis +/- nevus anemicus * Type 3: PWS + nevus spilus +/- nevus anemicus * Type 4: PWS + nevus spilus + dermal melanocytosis +/- nevus anemicus * Type 5: CMTC (Cutis marmorata telangiectatica congenita) + dermal melanocytosis They all can contain capillary malformation. Type 2 is the most common and can be associated with granular cell tumor. Some further subdivide each type into categories A & B; with A representing oculocutaneous involvement and subtype B representing extra oculocutaneous involvement. Others have proposed fewer subtypes but currently this rare entity is mostly taught as having five subtypes currently.
Phakomatosis pigmentovascularis
Phakomatosis pigmentokeratotica
Ophthalmia nodosa
Vitiligo ponctué
Dermatopathia pigmentosa reticularis
Retinitis pigmentosa
Lycoperdonosis
Lamellar ichthyosis