Genetic factors might cause fibrosing alopecia linked to hair shaft abnormalities.
January 2018 in “Springer eBooks” Congenital triangular alopecia is a harmless, non-spreading hair loss condition often seen in young children.
June 2023 in “JAAD case reports” The document concludes that "hot comb alopecia" is now called "central cicatricial centrifugal alopecia" and its causes are complex.
19 citations
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December 2001 in “Dermatologic Therapy” Horizontal scalp biopsy sections are better for diagnosing alopecia areata, showing fewer hair follicles and more miniaturized hairs.
Combining vertical and horizontal sectioning improves scalp biopsy analysis for alopecia.
April 2021 in “Annales de Dermatologie et de Vénéréologie - FMC” Biphasic alopecia often leads to permanent hair loss and its progression varies widely among individuals.
2 citations
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February 2018 in “Journal of dermatology & cosmetology” Triangular temporal alopecia is a benign hair loss pattern best diagnosed with dermoscopy, with limited treatment options like surgery and hair transplantation.
14 citations
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January 2010 in “Dermatology” Some people with congenital triangular alopecia have a central tuft of hair in the bald patch, but the cause is unknown.
July 1996 in “Hair transplant forum international”
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.
April 2023 in “The Medical Journal of Australia” A five-year-old girl has a harmless, unchanging bald patch on her scalp.
Mirror-image twins can have alopecia areata on opposite sides of their heads.
8 citations
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January 2013 in “International journal of trichology” Two people had unusual ring-shaped hair loss due to an autoimmune disorder.
35 citations
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November 2010 in “Journal of Cutaneous Pathology” Dilated follicular infundibula and increased catagen/telogen follicles are key indicators for diagnosing alopecia areata.
1 citations
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July 2018 in “Elsevier eBooks” Triple horizontal scalp biopsies are 98% accurate in diagnosing hair loss, better than single biopsies.
7 citations
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January 2012 in “International Journal of Trichology” Sudden, unusual hair loss may indicate serious underlying health issues.
32 citations
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August 2016 in “Journal of the American Academy of Dermatology” Temporal triangular alopecia is a non-scarring hair loss in children, often linked to other health conditions.
January 2014 in “International Journal of Trichology” A man had an unusual type of hair loss that didn't match known patterns and didn't improve with treatment.
3 citations
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January 2019 in “Indian Journal of Dermatology” Transverse scalp biopsy sections help diagnose different alopecias by showing hair follicle details and inflammation patterns.
4 citations
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May 2015 in “Indian Journal of Dermatology, Venereology and Leprology” Congenital triangular alopecia can occur outside the typical fronto-temporal region.
26 citations
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January 2009 in “Annals of Dermatology” Two rare bald spots on the back of the scalp were found to be lupus, not alopecia areata.
January 2025 in “Medical Research Archives” A new classification and scoring system is needed for alopecia areata to better assess severity.
January 2022 in “Clinical Cases in Dermatology” A 4-year-old boy has a rare type of hair loss in a line pattern on his scalp.
1 citations
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June 2022 in “PubMed” Alopecia causes hair loss and should be treated early, especially scarring types where hair cannot regrow.
42 citations
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December 1990 in “The Journal of Dermatologic Surgery and Oncology” The study found that horizontal sections of scalp biopsies are better for analyzing hair loss, showing fewer hairs and more fine hairs in balding areas.
January 2025 in “Journal of Dermatology & Dermatologic Surgery” Environmental factors can trigger alopecia areata in identical twins.
2 citations
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June 1980 in “International Journal of Dermatology” Scalp biopsies are important for diagnosing hair loss conditions.
January 2023 in “Indian Dermatology Online Journal” A 23-year-old man has a benign, non-progressive hair loss patch that doesn't respond to treatment but can be cosmetically treated.
December 2024 in “Australian Journal of General Practice” The woman's hair loss pattern doesn't match typical conditions like alopecia areata or female pattern hair loss.