September 2022 in “JAAD case reports” The man has a genetic skin condition called pachyonychia congenita.
100 citations
,
November 1997 in “Human Genetics” A new mutation in the hHb1 keratin gene is linked to the hair disorder monilethrix.
17 citations
,
January 1991 in “Acta Dermato Venereologica” A family had a genetic condition causing hair loss on the scalp, passed down through four generations.
January 2018 in “Springer eBooks” Trichotillomania is a condition where people repeatedly pull out their hair, which can be triggered by stress and has various physical signs.
6 citations
,
January 2020 in “Postepy Dermatologii I Alergologii” Trichoscopy is useful for diagnosing hair-pulling disorder.
3 citations
,
November 2015 in “International Journal of Dermatology” Trichostasis spinulosa is common but often underdiagnosed, mainly affecting women's faces.
33 citations
,
October 2005 in “Journal of Investigative Dermatology” A specific gene mutation causes sparse, brittle hair in a family.
10 citations
,
June 2011 in “Movement Disorders” THAP1 gene changes do not affect DYT1 dystonia; finasteride may help reduce tics and OCD in Tourette syndrome.
11 citations
,
March 2002 in “Pediatric Dermatology” Temporal triangular alopecia is a non-scarring hair loss seen in some Asian children.
5 citations
,
September 2013 in “The Journal of Dermatology” Researchers found a new mutation in the HR gene causing hair loss and skin bumps in a Pakistani family.
88 citations
,
March 2004 in “Journal of Investigative Dermatology” September 2021 in “The journal of investigative dermatology/Journal of investigative dermatology” Three genes linked to the development of trichilemmal cysts were found.
1 citations
,
November 2023 in “Curēus” Early diagnosis and treatment of nail and skin conditions can improve health and appearance.
26 citations
,
October 1998 in “Experimental Dermatology” A keratin hHb6 mutation causes a hair disorder with varying severity, influenced by other factors.
4 citations
,
January 2021 in “Skin appendage disorders” Trichodynia is a painful scalp condition not directly linked to the amount or type of hair loss and may involve psychological factors, with treatments showing mixed results.
53 citations
,
March 2006 in “Biopolymers” TTD hair is brittle due to fewer sulfur amino acids and unstable disulfide bonds.
33 citations
,
June 2016 in “Pediatric Dermatology” Some congenital hair disorders improve in childhood or with treatments like minoxidil and retinoids, while others like Netherton syndrome and trichothiodystrophy have a poor prognosis.
August 2025 in “Skin Appendage Disorders” Topical minoxidil can help improve hair in trichonodosis.
5 citations
,
January 2002 in “European journal of pediatrics” "D-CHRAMPS syndrome" is a newly identified condition with multiple severe symptoms.
20 citations
,
January 2002 in “Laboratory Animals” Mutations in the hairless gene cause hair loss and skin cysts in rhesus macaques.
7 citations
,
January 2013 in “Indian dermatology online journal” A rare skin condition with dark, thick, warty patches and some hair loss was found in a newborn boy.
11 citations
,
July 2010 in “European Journal of Dermatology” The condition is linked to chromosome 12, but no mutations were found in the known genes.
2 citations
,
December 2013 in “The Journal of Dermatology”
6 citations
,
August 2012 in “The Journal of Pediatrics” A 12-year-old girl was diagnosed with monilethrix, a genetic condition causing fragile, beaded hair that breaks easily, with no effective treatment available.
January 2011 in “Journal of Human Genetics” A Japanese patient with a rare genetic disorder had a less severe case than others, suggesting other factors may affect symptoms.
October 2023 in “Psychiatry research. Case reports” A new HRAS gene variant may cause a range of symptoms including intellectual disability and psychiatric issues.
11 citations
,
January 1989 Two patients had a unique form of trichothiodystrophy with reduced high-sulfur proteins in their hair.
April 2024 in “Research Square (Research Square)” A 27-year-old with APS-1 showed improvement in symptoms after treatment.
17 citations
,
September 2009 in “British Journal of Dermatology” Fragile hair in children is rarely linked to trichothiodystrophy (TTD).
1 citations
,
October 2019 in “International journal of contemporary pediatrics” A 12-year-old boy with twenty nail dystrophy, a condition affecting all nails, was treated conservatively due to its self-limiting nature and good prognosis.