How Can Clinicians Differentiate Scarring vs. Non-Scarring Alopecia?

The forms of alopecia where the hair follicle is destroyed are considered scarring, while others types do not destroy the follicle and are therefore non-scarring. Examples of scarring alopecia are lichen planopilaris (LPP) or discoid lupus erythematosus (DLE), and non-scarring alopecia includes alopecia areata, androgenetic alopecia (AGA), syphilis, and trichotillomania. The ability to differentiate should …