CCCA tends to present itself in the 20s and progresses over 20–30 years. One should consider this diagnosis in African Americans with what appears to be a female-pattern hair loss.
Central centrifugal cicatricial alopecia
Triangular alopecia
Auricular hypertrichosis
Hot comb alopecia
Focal facial dermal dysplasia
Intermittent hair–follicle dystrophy
Frictional alopecia
Exudative hyponychial dermatitis