21 citations
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April 2004 in “Australasian Journal of Dermatology” A 3-year-old girl has a rare condition causing sparse hair and nail issues, with minimal improvement from treatment.
10 citations
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July 2001 in “PubMed” A new type of pachyonychia congenita may exist, caused by a different keratin mutation.
January 2024 in “Revista del Centro Dermatológico Pascua” Avoiding damage and using specific shampoo and supplements improved the hair condition.
2 citations
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January 2007 in “Actas Dermo-Sifiliográficas” Two cases of hairy elbows syndrome were described, with normal skin texture and symmetrical hair growth.
3 citations
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August 2022 in “Cutis” Certain nail conditions can suggest thyroid problems, with different symptoms for underactive (slow, thin nails) and overactive (spoon-shaped, brittle nails) thyroid.
May 2022 in “Experimental dermatology” Trichothiodystrophy hair is structurally abnormal with protein and organization issues.
28 citations
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July 1980 in “British Journal of Dermatology” The hair disorder was caused by abnormal protein formation, making hair easily damaged.
30 citations
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February 2015 in “Anais Brasileiros de Dermatologia” Trichoscopy is useful for diagnosing Netherton syndrome in children with skin issues.
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
,
December 2013 in “The Journal of Dermatology”
September 2022 in “JAAD case reports” The man has a genetic skin condition called pachyonychia congenita.
9 citations
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April 2020 in “Journal of dermatology” A person with a specific gene mutation had extra teeth, unique jaw and hair features not seen before in this condition.
26 citations
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February 1991 in “PubMed” Trichotillomania can be identified by a "Friar Tuck sign" and nail-biting.
7 citations
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November 1997 in “Pediatric Dermatology” Trichothiodystrophy can be linked to urologic issues and high calcium in urine.
58 citations
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November 1969 in “British Journal of Dermatology” Netherton's disease causes multiple hair defects.
41 citations
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December 2008 in “Pediatric Dermatology” Trichoscopy can diagnose Netherton syndrome without pulling hairs.
10 citations
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January 1925 in “Archives of Dermatology” Trichostasis spinulosa is a rare skin condition with hair-filled plugs in hair follicles.
47 citations
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November 1966 in “Archives of Dermatology” Trichorrhexis nodosa is mainly caused by hair trauma, not a metabolic defect.
26 citations
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January 1983 in “PubMed” Trichothiodystrophy involves brittle hair due to low sulfur amino acids, not a transport defect.
40 citations
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November 1966 in “Archives of Dermatology” Trichorrhexis nodosa is mainly caused by hair trauma and improves with gentler hair care.
January 2017 in “프로그램북(구 초록집)” Iron deficiency anemia can cause hair breakage.
144 citations
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May 1990 in “Journal of the American Academy of Dermatology” 33 citations
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December 1982 in “Developmental Medicine & Child Neurology” Hair-shaft abnormalities can indicate neurological disorders, some of which are treatable.
2 citations
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February 2021 in “PubMed” Koilonychia in alopecia areata can improve with oral corticosteroids.
26 citations
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January 1993 in “Dermatology” A rare case of isolated trichothiodystrophy was identified, marked by brittle hair with low sulfur content.
1 citations
,
June 2016 in “Medicina” Monilethrix is a genetic disorder causing brittle hair, diagnosed using tricoscopy.
4 citations
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April 1983 in “The Journal of Dermatology” A 15-year-old girl with hypothyroidism had excess hair and skin issues due to blocked hair follicles.
Recognizing bamboo hair helps diagnose Netherton’s syndrome.
33 citations
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January 2007 in “Pediatric dermatology” Hair thinning and loss in a girl with a rare metabolic disorder was linked to her condition.
August 2025 in “Skin Appendage Disorders” Topical minoxidil can help improve hair in trichonodosis.