TABLE 5.

Most common trichoscopic features in alopecia areata and their correlations.

Trichoscopic feature	Clinical appearance	Pathology	Associated diseases
Yellow dots	Round or polycyclic yellow to yellow‐pink dots	Dilated infundibula plugged with sebum and keratin remnants	Alopecia areata Androgenetic alopecia Trichotillomania Dissecting cellulitis
Black dots	Black dots inside follicular openings	Broken hairs shaft	Alopecia areata Trichotillomania Tinea capitis Dissecting cellulitis
Tapering hairs	Tapered hairs with dark ends	Telogen hairs with a broken tip	Alopecia areata Trichotillomania Traction alopecia
Broken hairs	Fragments of pigmented hair shafts	Fracture of dystrophic hair shafts or rapid regrowth of hairs	Alopecia areata Trichotillomania Tinea capitis
Short vellus hairs	Regrowing short white hair	Thin, nonpigmented hairs may demonstrate early disease remission	Alopecia areata Trichotillomania