Clinical Characteristics and Prognostic Factors in Early-Onset Alopecia Totalis and Alopecia Universalis

摘要

Alopecia totalis (AT) and alopecia universalis (AU), severe forms of alopecia areata (AA), show distinguishable clinical characteristics from those of patch AA. In this study, we investigated the clinical characteristics of AT/AU according to the onset age. Based on the onset age around adolescence (