1 citations
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August 2024 in “Pediatric Dermatology” A rare, harmless hair condition was found in an infant's eyebrow, needing no treatment.
January 2026 in “Clinical Case Reports” A 6-year-old girl had both monilethrix and trichorrhexis nodosa, causing brittle hair, with minimal improvement from treatment.
2 citations
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July 2019 in “Indian dermatology online journal” A 17-year-old girl and her brothers have a rare hair condition with long eyelashes, thick eyebrows, and easily pluckable hair.
68 citations
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August 2009 in “American Journal of Medical Genetics Part A” A new classification for trichothiodystrophy helps identify genetic causes and potential treatments.
August 2012 in “Nature Cell Biology” Hair grows when stem cell offspring in the follicle base proliferate, influenced by the dermal papilla.
April 2025 in “Indian Journal of Paediatric Dermatology” Trichorrhexis invaginata can occur with tinea capitis, though it's rare.
35 citations
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December 2008 in “PubMed” Trichilemmoma, BCC, and SCC tumors have different stem cell marker expressions.
January 2021 in “International journal of dermatology, venereology and leprosy sciences” AGA and TE can be differentiated by specific trichoscopic features, with AGA showing more variation in hair thickness in fronto-temporal areas.
2 citations
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February 2019 in “Journal of Investigative Dermatology” Higher levels of the DP2 receptor may lead to hair loss.
January 2026 in “Journal of Radiation Research” 53BP1 focus analysis in hair cells can help estimate radiation doses.
1 citations
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January 2017 in “International Journal of Dermoscopy” Digital imaging can effectively evaluate the donor area for hair transplants, showing variations in hair density and grouping by age and severity of hair loss.
October 2025 in “JMIR Dermatology” Exclamation-mark hairs and yellow dots indicate alopecia areata, while follicular ostia loss and white scarring indicate lichen planopilaris and discoid lupus erythematosus.
March 2022 in “JAAD case reports” A man had a non-cancerous, fast-growing skin lump on his arm that was removed with surgery.
July 2025 in “Journal of Investigative Dermatology” Scarring alopecia involves increased immune cells and specific gene changes near damaged hair follicles.
March 2021 in “International Journal of Research in Dermatology” Trapezoid donor strips give more hair follicles than elliptical ones in hair transplants.
48 citations
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January 2002 in “Journal of Structural Biology” Trichocyte filaments have a low-density core and may include proteins for hair structure.
13 citations
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September 2011 in “Archives of dermatology” A patient with steroid sulfatase deficiency had a unique hair pattern and a brain malformation not previously linked to the condition.
2 citations
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January 2018 in “International Journal of Trichology” Two sisters had a rare hair condition without other usual symptoms.
4 citations
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September 2015 in “JAAD case reports” Substance P may play a role in the inflammation seen in keratosis follicularis spinulosa decalvans.
March 2024 in “Journal of clinical medicine” Trichoscopy shows hair diameter variability, vellus hairs, and the peripilar sign are key indicators for diagnosing Androgenetic Alopecia.
13 citations
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July 2016 in “Indian Journal of Dermatology” DPR can show different hair characteristics, as seen in two brothers with normal hair.
February 2009 in “Journal of The American Academy of Dermatology” Female hair loss can be diagnosed using specific trichoscopy criteria.
37 citations
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January 1986 in “Carcinogenesis” ODC expression in mouse skin and tumors is varied and can be inhibited by retinoic acid or cycloheximide.
10 citations
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January 2011 in “Annals of Dermatology” A rare scalp tumor involving two hair follicles was successfully removed with surgery, with no recurrence after 7 months.
5 citations
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March 1981 in “PubMed” A girl grew extra hair in areas where she had insect bites.
July 2024 in “Journal of Investigative Dermatology” Human hair follicles have their own thyroid hormone system.
3 citations
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January 2017 in “Acta Dermato Venereologica” Lipid-antigen stimulation may play a role in folliculotropic mycosis fungoides.
November 2022 in “Journal of the Endocrine Society” A 21-year-old male with a rare genetic disorder experienced sudden hair loss and high DHEAS levels, likely due to a condition similar to PCOS, usually seen in women.
11 citations
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June 1985 in “Journal of cutaneous pathology” Examining many sections is key to correctly diagnosing hair follicle disorders.
2 citations
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January 2012 Androgenetic alopecia is the only hair loss condition with specific diagnostic criteria in trichoscopy.