The study concludes that Twenty-nail dystrophy is more common in boys among children and in women among adults, with varying response to treatment.
4 citations
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March 2020 in “JAAD Case Reports” Vitamin B12 deficiency can cause darkening of all nails.
26 citations
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December 1979 in “Journal of Cutaneous Pathology” Seborrheic keratoses may partly come from hair follicle cells.
1 citations
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March 2023 in “Tidsskrift for Den norske lægeforening” Keratosis pilaris is a common skin condition causing a bumpy texture, sometimes linked to other diseases, with various treatments available.
30 citations
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January 1999 in “Journal of Cutaneous Pathology” Spiny keratoderma may be ectopic hair formation on palms and soles.
January 2025 in “International Journal of Trichology” Increased hair growth after a cast is temporary and harmless.
12 citations
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March 2004 in “Journal of Investigative Dermatology” 7 citations
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January 2020 in “Dermatology online journal” An adult with a rare skin condition improved with tazarotene treatment.
Diseased horse foot skin shows increased keratin expression, similar to wound healing in mammals.
12 citations
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November 1987 in “Pediatric dermatology” Four children had unmanageable pale blond hair due to uncombable-hair syndrome.
11 citations
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January 1977 in “Archives of dermatological research” Mouse tail skin has different keratinization near hair follicles and scales.
2 citations
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January 1989 in “The Nishinihon Journal of Dermatology” Seborrheic keratosis likely originates from the upper regions of hair follicles.
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.
18 citations
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April 2016 in “American Journal of Dermatopathology” Larger nail cavity sizes suggest benign tumors, while smaller ones may need further biopsy to rule out cancer.
2 citations
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December 2013 in “The Journal of Dermatology” January 2006 in “Dianzi xianwei xuebao” Netherton syndrome causes specific skin and hair changes that help in early diagnosis.
23 citations
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December 1977 in “Virchows Archiv B Cell Pathology”
October 2023 in “Indian dermatology online journal” The young woman has a benign, hereditary skin condition with no signs of a more serious syndrome.
32 citations
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April 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” Loss of keratin K2 causes skin problems and inflammation.
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.
24 citations
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July 2014 in “Journal of Investigative Dermatology” Nagashima-type palmoplantar keratosis in Asians is caused by a SERPINB7 gene mutation.
4 citations
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August 2024 in “Journal of Cosmetic Dermatology” The non-cross-linked hyaluronic acid compound effectively and safely improves keratosis pilaris.
7 citations
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October 2006 in “Medical hypotheses” UV light might cause excessive hair growth by increasing PGE2 in the skin.
January 2024 in “The Indian Veterinary Journal” A young goat with skin issues improved with medication and supplements.
February 2026 in “Clinical Cosmetic and Investigational Dermatology” Actinic prurigo cheilitis can occur in elderly Asians and can be treated with hydrocortisone cream and sun protection.
58 citations
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November 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The Foxn1 gene is essential for normal nail and hair development.
2 citations
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July 2022 in “Cureus” A rare skin disorder affecting the face was found in a 28-year-old Saudi man.
May 2015 in “Journal of The American Academy of Dermatology” The treatments for fungal nail infection, hair loss in men, benign nail tumor, and chemotherapy-associated nail bed inflammation are effective and safe.
January 2015 in “Dermatology online journal” A man with total hair loss also developed a rare nail condition, likely due to autoimmune issues.
90 citations
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July 1993 in “Journal of Investigative Dermatology”