At the crossroads of 2 alopecias: Androgenetic alopecia pattern of hair regrowth in patients with alopecia areata treated with oral Janus kinase inhibitors

Alopecia areata is a nonscarring hair loss disorder caused by an autoimmune attack on the hair follicle.1 The disease process is thought to result from breakdown of the hair follicle immune privilege, followed by inflammatory infiltration at the base of the follicle, and then transition of the hair follicle from an actively growing (anagen) state to the dormant (telogen) state.1