July 2026 in “Scholars Journal of Medical Case Reports” This case study reports a rare coexistence of alopecia areata and lichen planopilaris in a 37-year-old woman and highlights the importance of targeting active scalp areas for biopsy to appropriately manage coexisting scarring and non-scarring alopecias, with distinct therapeutic priorities.
July 2004 in “TSpace (University of Toronto)” This case report describes the rare coexistence of alopecia areata and lichen planus in a 42-year-old man, with alopecia stabilizing after topical betamethasone treatment.
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July 2020 in “Journal of cosmetic dermatology” This case report describes a patient with systemic lupus erythematosus who developed both alopecia areata and lichen planopilaris despite immunosuppressive treatment, suggesting a shared immunopathogenesis between these disorders.
March 2019 in “Nasza Dermatologia Online” A man had both alopecia areata and lichen planus, which is uncommon.
September 2017 in “Journal of Investigative Dermatology Symposium Proceedings” This study reports two cases where lichen planus developed only in depigmented areas of vitiligo, supporting possible theories of trauma or photodamage triggering this occurrence.