July 2021 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Knuckle darkening can be an early sign of vitamin B12 deficiency.
3 citations
,
January 2020 in “Acta Dermatovenerologica Alpina Pannonica et Adriatica” Cryotherapy is effective for ingrown toenails, especially in single cases, but has high recurrence in younger and bilateral cases.
40 citations
,
January 2013 in “International journal of trichology” Perifollicular erythema can indicate active frontal fibrosing alopecia.
February 2026 in “Journal of Clinical Medicine” Minoxidil may help nails grow faster and stronger.
15 citations
,
February 1999 in “The anatomical record” Some mutant mice have hair with abnormal cross-linking, mainly in the cuticle, not affecting other hair parts.
5 citations
,
July 2014 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Latanoprost eye drops caused excessive hair growth and eyelash whitening in a woman.
4 citations
,
April 2018 in “Biotechnology Letters” Human growth factor 20 can boost mouse whisker growth.
110 citations
,
August 2004 in “British Journal of Dermatology” The ventral matrix is the main source of the nail plate.
33 citations
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August 2013 in “British Journal of Dermatology” Lack of small, fine hair on the front hairline is a key sign of frontal fibrosing alopecia.
August 2020 in “International Journal of Research in Dermatology” Clouston's syndrome is a rare disorder affecting nails, hair, teeth, and skin, caused by a gene mutation, and currently has no treatment, only supportive care.
Spiny keratoderma is a rare skin condition with small spines on palms and soles, possibly linked to abnormal hair formation.
January 2011 in “The Chinese Journal of Dermatovenereology” The woman's skin condition improved with specific oral and topical treatments.
5 citations
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December 1964 in “Australasian journal of dermatology” Congenital atrichia is a rare condition where children are born without hair, and treatment is often ineffective.
1 citations
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January 2019 in “Acta dermato-venereologica” The woman's skin and hair symptoms were confirmed as frontal fibrosing alopecia, and while facial papules are common in such cases, there's no effective local treatment, but systemic treatments can help.
245 citations
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January 1998 in “Genes & Development” Hoxc13 gene is essential for hair, nail, and papilla development.
September 2016 in “Journal of Dermatological Science” Polarizing light microscopy can easily and reliably diagnose congenital keratinizing disorders like Netherton syndrome.
5 citations
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July 2005 in “British journal of dermatology/British journal of dermatology, Supplement” A man grew hair on his penis, which is not common, and needed surgery to remove it.
January 2025 in “International Journal of Trichology” Increased hair growth after a cast is temporary and harmless.
31 citations
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April 2004 in “Journal of Investigative Dermatology” A new mouse gene, Keratin 17n, is mainly found in nail tissue and may explain why mice without Keratin 17 don't have nail issues.
69 citations
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May 1997 in “Veterinary Pathology” The angora mouse mutation causes long hair and hair defects due to a gene deletion.
8 citations
,
February 2005 in “British Journal of Haematology” Chemotherapy caused the patient's hair to have alternating thick and thin segments.
5 citations
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February 2005 in “Journal of the American Academy of Dermatology” Focal palmoplantar callosities may help diagnose non-Herlitz junctional epidermolysis bullosa.
42 citations
,
October 2009 in “The journal of investigative dermatology/Journal of investigative dermatology” Mutations in the KRT85 gene cause hair and nail problems.
3 citations
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September 2019 in “Skin appendage disorders” Women with Frontal Fibrosing Alopecia have more wrinkles near their ears than similar aged women without the condition.
11 citations
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December 2015 in “Indian journal of dermatology, venereology, and leprology” Dermoscopy quickly and accurately diagnosed a rare hair disorder in a 12-year-old girl.
June 2014 in “Professional Beauty”
December 2024 in “Journal of General-Procedural Dermatology & Venereology Indonesia” Coix seed extract helped resolve onycholysis in an elderly woman.
February 1999 in “The anatomical record” Two mouse mutants have defective hair cuticle cross-linking.
April 1974 in “Pediatric Research” The Naked (N) trait in mice is linked to lower glycine and tyrosine in hair proteins.
Low vitamin C caused bleeding and corkscrew hair, resolved with vitamin C treatment.