Trichoscopy: Essentials for the dermatologist

Table 5 Trichoscopic findings in common types of cicatricial alopecia

LPP	FFA	DLE
Intense perifollicular scaling, tubular structures	Minor perifollicular scaling	Large yellow dots (follicular keratotic plugs)
Violaceous inter or perifollicular areas	Perifollicular erythema	Mottled dyschromia
Fibrotic white dots	Strong predominance of single-hair follicular units at the hair-bearing margin	Thin and radial arborizing vessels that emerge from yellow dots (“red spider in yellow dot”)
Blue grey dots	Absence of vellus hairs	Thick arborizing vessels at the perifery ot the lesion
Small hair tufts	Pink-grey and grey dots in the lateral eyebrow area	Follicular red dots

LPP: Lichen planopilaris; FFA: Frontal fibrosing alopecia; DLE: Discoid lupus erythematosus.