5 citations
,
September 2015 in “Medical hypotheses” Topical sulfonylurea may reduce excessive hair growth caused by certain medications.
58 citations
,
November 1969 in “British Journal of Dermatology” Netherton's disease causes multiple hair defects.
June 2024 in “Annals of Medicine and Surgery” A 23-year-old Syrian woman has two rare hair disorders, and avoiding hair treatments plus using vitamins and minoxidil may help.
January 2015 in “Dermatology online journal” A man with total hair loss also developed a rare nail condition, likely due to autoimmune issues.
The nail immune system is similar to hair but different from skin, with fewer immune markers.
28 citations
,
June 1995 in “The Journal of Dermatology” The flaky skin mouse mutation is a natural model for studying human psoriasis.
18 citations
,
September 1994 in “Clinical and Experimental Dermatology” Localized trichorrhexis nodosa is a hair condition where hair becomes fragile and breaks easily due to damage.
18 citations
,
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.
December 2022 in “American journal of medical genetics. Part A” A person got uncombable hair syndrome from two copies of chromosome 1 from their mother.
11 citations
,
January 2005 in “Brazilian Journal of Medical and Biological Research” Hairless USP mice have enlarged skin cysts as they age.
April 2026 in “Clinical Dermatology Review” Keratosis pilaris significantly affects quality of life and shows specific skin changes.
38 citations
,
June 2005 in “International Journal of Dermatology” A man with nevus comedonicus syndrome had multiple skin issues, including basal cell carcinomas, which improved with treatment.
33 citations
,
January 2007 in “Pediatric dermatology” Hair thinning and loss in a girl with a rare metabolic disorder was linked to her condition.
December 2025 in “International Journal of Research in Dermatology” Keratosis pilaris is common in young females, and dermoscopy helps diagnose it accurately.
April 2025 in “International Journal For Multidisciplinary Research” Hypertrichosis causes excessive hair growth and can be managed with treatments like laser, electrolysis, or new topical solutions.
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.
12 citations
,
September 2012 in “Pediatric Dermatology” The boy's skin condition improved significantly with a specific ointment after other treatments showed only mild results.
August 2022 in “Acta dermato-venereologica” Propylthiouracil can cause hair loss, reduced sweating, and nail issues, but stopping the drug can reverse hair and nail problems.
26 citations
,
December 1979 in “Journal of Cutaneous Pathology” Seborrheic keratoses may partly come from hair follicle cells.
June 2023 in “International Journal of Dermatology” 27 citations
,
February 1988 in “Journal of the American Academy of Dermatology” The skin condition Ulerythema ophryogenes did not improve with treatment in a patient with other birth defects.
October 2023 in “Indian dermatology online journal” The young woman has a benign, hereditary skin condition with no signs of a more serious syndrome.
The study concludes that Twenty-nail dystrophy is more common in boys among children and in women among adults, with varying response to treatment.
6 citations
,
January 2018 in “Dermato-endocrinology” Darkened knuckles can be an early sign of insulin resistance.
Diseased horse foot skin shows increased keratin expression, similar to wound healing in mammals.
33 citations
,
August 2008 in “American Journal Of Pathology” Hedgehog signaling is essential for normal sebaceous gland development and affects keratin 6a expression.
8 citations
,
May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” The hair defect is due to abnormal inner root sheath keratinization.
19 citations
,
July 1994 in “International Journal of Dermatology” A 9-year-old boy had a calcium deposit nodule on his earlobe.
2 citations
,
July 2022 in “Cureus” A rare skin disorder affecting the face was found in a 28-year-old Saudi man.
10 citations
,
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.