Metaphoric term "Patterns"
|This pattern consists of peripheral globules, pseudopods or streaks (or a combination of them), located around the entire perimeter of the lesion
|A pattern lacking any definable pigment structures, structureless pattern
|Thick curved lines created by gyri and keratin filled sulci. These gyri and sulci coalesce forming a brain-like appearance pattern.
|Light brown thin curved lines that do not interconnect to form a network. These tend to be linear to curvilinear. They correspond to small and thin gyri.
|Circumscribed structureless areas displaying colors of the whole spectrum of visible light
|Reddish pseudo-network (erythema and wavy fine vessels) around hair follicle openings which are accentuated with a white halo appearance