Histological Evidence For Epidermal And Dermal Atrophy Of The Alopecic Band In Treatment-Naive Patients With Frontal Fibrosing Alopecia

Frontal fibrosing alopecia (FFA) entails a progressive recession of the frontotemporal hairline resulting in smooth, uniformly-pale skin without follicular openings, in contrast to the sun-damaged skin of the forehead. Skin atrophy and depression of the frontal veins have been described in the alopecic band (AB) in patients with FFA without prior corticosteroid treatment. Despite the remarkable clinical appearance, the histopathological features of the AB have not been studied previously.