Table 6.

Classification of vitiligo based on the clinical feature and natural history of the disease

Types	Characteristics	Subtypes
Segmental vitiligo (SV)	One or more vitiliginous patches, in a linear or flag-like pattern of mosaicism, with a unilateral dermatomal distribution	Unisegmental Bisegmental Multisegmental
Non-segmental vitligo (NSV)	Heterogeneous group of pigmentary disorders with different localization, usually in a symmetric pattern	Acrofacial Mucosal (more than 1 side affected) Generalized Universal Mixed (associated with segmental vitiligo) Rare forms
Unclassified or indeterminate		Focal Mucosal (only one side)