24 citations
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January 1985 in “Dermatology” Higher levels of certain immune cells in hair follicles may contribute to alopecia areata.
15 citations
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July 1999 in “Dermatologic Clinics” The document concludes that immune system abnormalities cause alopecia areata, but the exact process is still not completely understood.
17 citations
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July 1994 in “Journal of Dermatological Science” The cause of alopecia areata is likely a mix of genetics, immune system issues, and environmental factors, with more research needed to understand it fully.
90 citations
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June 2006 in “The American Journal of Dermatopathology” The document concludes that accurate diagnosis of different types of hair loss requires careful examination of hair and scalp tissue, considering both clinical and microscopic features.
89 citations
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October 1996 in “Dermatologic Clinics” Alopecia areata is likely caused by a combination of genetic factors and immune system dysfunction, and may represent different diseases with various causes.