4 citations
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November 2018 in “JAAD case reports” Alopecia areata can sometimes appear as a straight line of hair loss instead of round patches.
January 2012 in “Yearbook of Dermatology and Dermatologic Surgery” Alopecia areata is a hair loss condition that often starts before age 30 and can affect various body parts, with unpredictable hair regrowth chances.
The man has patchy hair loss likely due to alopecia areata.
March 2021 in “CRC Press eBooks” The document concludes that different patterns of hair thickness and scalp changes can help diagnose types of non-scarring hair loss.
18 citations
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July 2010 in “Journal of the American Academy of Dermatology” Folliculotropic mycosis fungoides can look like alopecia areata.
The woman has a scalp condition causing hair loss.
1 citations
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January 1996 It's hard to tell male pattern baldness from other types because symptoms can be similar.
April 2022 in “Indexia revista médico - científica” Alopecia causes sudden hair loss, possibly due to genetic, environmental, or immune factors.
2 citations
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April 2025 in “Pediatric Dermatology” Macular alopecia is a distinct, non-scarring hair loss pattern that mostly affects young Hispanic/Latinx females and often resolves on its own.
March 2026 in “Frontiers in Medicine” Different types of alopecia cause hair loss due to immune system issues, with some allowing regrowth and others causing permanent loss.