October 2022 in “Medičnì perspektivi” Darier-White disease causes skin and nail issues, starts around age 20, worsens until 40-50, and has poor treatment options.
September 2023 in “Journal of the American Academy of Dermatology” Podiatrists perform nearly all nail excisions in the US.
March 2026 in “Scholars Journal of Medical Case Reports” Nail issues are common in kids with alopecia areata and should be checked for better diagnosis.
September 2019 in “Journal of Investigative Dermatology” Smoking and certain health conditions like thyroid disease may make palmoplantar pustulosis harder to treat.
January 2017 in “대한미용학회지” The cuticle layer in hair follicles thickens during keratinization due to incomplete cytosol loss.
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.
August 2021 in “Indian dermatology online journal” A young boy with a rare skin and nail condition improved significantly with simple topical treatments.
March 2012 in “Journal of The American Academy of Dermatology” Hand-foot-mouth disease may cause nail loss in children.
26 citations
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February 1991 in “PubMed” Trichotillomania can be identified by a "Friar Tuck sign" and nail-biting.
26 citations
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August 2007 in “Annals of Anatomy - Anatomischer Anzeiger” Feathers become harder as they develop due to a change in keratin type.
1 citations
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November 2025 in “Journal of Korean Medical Association” Recognizing nail changes helps diagnose and treat non-infectious skin diseases.
October 2020 in “Tierärztliche Praxis. Ausgabe Grosstiere, Nutztiere” Cows moving from tie-stalls to free-stalls had fewer leg injuries but more stress and heel horn erosions.
June 2021 in “International journal of research in dermatology” Shaving and avoiding brushing improved the patient's beard hair condition.
21 citations
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December 2006 in “Archives of dermatology” A kidney transplant patient developed pink skin bumps with spiny centers on her face and limbs.
88 citations
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June 2000 in “Journal of Investigative Dermatology” Keratin 17 is important for hair and nail structure and affects pachyonychia congenita symptoms.
2 citations
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June 2013 in “Journal of Dermatological Case Reports” Olmsted syndrome is a rare skin disorder causing thickened skin and other symptoms.
March 2021 in “Annals of King Edward Medical University” Clouston syndrome causes issues with teeth, hair, nails, and skin, and has no cure, but recognition has improved.
January 2023 in “Skin appendage disorders” Two Hispanic women developed Plica neuropathica, a condition causing tangled hair, possibly due to hair damage and various risk factors.
13 citations
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August 1982 in “Archives of dermatology” A new side effect of aromatic retinoid treatment is soft nails.
3 citations
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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.
February 2010 in “Journal of The American Academy of Dermatology” NB-002 is a promising new topical treatment for fungal nail infections, showing better results than a non-medicated option.
2 citations
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March 1994 in “Oncology Reports” Keratoacanthomas and squamous cell carcinomas have similar keratin patterns, making them hard to tell apart.
June 2018 in “Dermatologic Surgery” 24 citations
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March 2008 in “Neuroscience Research” Cat paws have complex touch sensors for detailed sensory processing.
3 citations
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December 2003 in “Archives of Pathology & Laboratory Medicine” The nodule was a benign cutaneous lymphadenoma, not cancer, and was successfully removed.
47 citations
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November 1966 in “Archives of Dermatology” Trichorrhexis nodosa is mainly caused by hair trauma, not a metabolic defect.
8 citations
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January 2006 in “Dermatology Online Journal” The girl's skin condition is benign but challenging to treat due to its size and location.
Spiny keratoderma is a rare skin condition with small spines on palms and soles, possibly linked to abnormal hair formation.
March 2025 in “International Journal of Trichology” Vigorous rubbing of herbal powder on the scalp caused hair damage and loss.
A young athlete's fragile hair condition improved by cutting hair and using gentle shampoo.