RT Book, Section A1 Nguyen, Betty A1 Katy Hu, Jamie A1 Tosti, Antonella A2 Tosti, Antonella A2 Piraccini, Bianca Maria SR Print(0) ID 1201700986 T1 Eyebrow and Eyelash Alopecia T2 Disorders of the Hair and Nail: Diagnosis and Treatment YR 2023 FD 2023 PB McGraw Hill PP New York, NY SN 9781260462470 LK dermatology.mhmedical.com/content.aspx?aid=1201700986 RD 2024/10/04 AB SUMMARYMadarosis is characterized by either complete or partial loss of eyebrow or eyelash hair.Etiologies of eyebrow and eyelash alopecia include autoimmune, endocrinologic, genetic, infectious, neoplastic, nutritional, and traumatic conditions.The purpose of this chapter is to provide an updated overview on the symptomatology, diagnosis, trichoscopy findings, and treatment of eyebrow and eyelash alopecia.