June 2025 in “American Journal of Dermatopathology” This case report describes a rare instance of sarcoidal granulomatous alopecia areata in a 42-year-old man, with histopathological findings suggesting inflammation but ruling out causes like tuberculosis and syphilis, resulting in treatment with tofacitinib.
June 2023 in “British journal of dermatology/British journal of dermatology, Supplement” This case report identified a distinct pattern of scarring alopecia with folliculocentric noncaseating granulomas, linked with granulomatous dermatitis in the breast, as a potential cutaneous manifestation of rheumatoid arthritis.
January 2022 in “JAAD case reports” This article describes two new cases of granulomatous alopecia areata, a rare variant with few previously reported instances.
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March 2013 in “Journal of Cutaneous Pathology” Granulomatous alopecia may be a distinct subtype of alopecia areata.
June 2023 in “British journal of dermatology/British journal of dermatology, Supplement” In this report, a 46-year-old woman's sudden diffuse hair loss was diagnosed as granulomatous alopecia areata, with spontaneous hair regrowth observed after two months. This case highlights that granulomatous inflammation should not exclude the diagnosis of alopecia areata, emphasizing the importance of clinicopathological correlation.