21 citations
,
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.
14 citations
,
February 2007 in “The Journal of Bone and Joint Surgery” A baby's toe was saved from serious damage by quickly removing a hair wrapped tightly around it.
139 citations
,
October 2005 in “Journal of Investigative Dermatology” The nail matrix has a reduced immune response, protecting it from autoimmunity.
12 citations
,
March 2021 in “JAAD Case Reports” Nail changes from immunotherapy can be managed without stopping cancer treatment.
December 2023 in “Royal Society of Chemistry eBooks” Nails are a useful alternative to hair for analyzing long-term substance exposure.
7 citations
,
October 2016 in “American Journal of Dermatopathology” The man died from lung cancer, not the rare nail tumor.
November 2025 in “International Society of Hair Restoration Surgery” Proper tools and strict hygiene are crucial to prevent infections in hair transplants.
June 1997 in “Australasian Journal of Dermatology” Researchers found new hair and nail genes, how hair reacts to UV, differences in white and pigmented hair growth, nerve changes in alopecia, treatments for baldness and alopecia, a toenail condition linked to a genetic disorder, and that nail fungus is more common in people with psoriasis.
January 2014 in “Pathology” The document concludes that understanding nail anatomy is key for diagnosing nail diseases, early signs of nail melanoma may allow for less aggressive treatment, and specific genetic mutations are important in thyroid cancer prognosis and treatment.
58 citations
,
November 2004 in “The journal of investigative dermatology/Journal of investigative dermatology” The Foxn1 gene is essential for normal nail and hair development.
January 2005 in “Journal of Cutaneous Pathology” A new benign nail tumor called onychoblastoma was identified.
May 2015 in “Journal of The American Academy of Dermatology” Povidone-iodine nail solution effectively treats nail infections caused by chemotherapy.
January 2012 in “Case reports in pediatrics” A 16-year-old boy's arm hair grew more after wearing a splint, but it returned to normal in 8 months.
Aluminum phosphide poisoning can cause horizontal nail grooves and hair loss.
39 citations
,
February 2011 in “American Journal of Dermatopathology” Onychomatricoma is a unique nail tumor that mimics the entire nail unit and is not related to other hair-related tumors.
January 2021 in “Skin Appendage Disorders” 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.
4 citations
,
August 2013 in “Pediatric dermatology” Hair casts can be treated with physical removal and special shampoos.
36 citations
,
December 1991 in “Journal of Dermatological Science” Human nails contain both skin and hair keratins, each needing different extraction methods.
January 2008 in “The Internet Journal of Plastic Surgery” Thorough cleaning and hair removal are essential to effectively treat and prevent recurrent pilonidal sinus.
10 citations
,
January 2013 in “International Journal of Trichology” Systemic steroids effectively treated severe nail issues in a card illusionist with alopecia areata.
2 citations
,
September 2015 in “Türk pediatri arşivi : İstanbul çocuk kliniği dergisi” Valproic acid can very rarely cause nail separation, which usually gets better on its own after stopping the drug.
4 citations
,
October 2008 in “International Journal of Dermatology” A toddler's chronic finger ulcer was successfully treated after removing a hair causing hair-thread tourniquet syndrome.
8 citations
,
April 2017 in “American Journal of Dermatopathology” Inflammation may cause nail issues in Cronkhite–Canada Syndrome.
2 citations
,
February 2021 in “PubMed” Koilonychia in alopecia areata can improve with oral corticosteroids.
September 2022 in “JAAD case reports” The man has a genetic skin condition called pachyonychia congenita.
25 citations
,
January 2003 in “Plastic & Reconstructive Surgery” Nail-matrical fibroblasts can make non-nail cells produce hard keratin, useful for nail repair.
The nail immune system is similar to hair but different from skin, with fewer immune markers.
54 citations
,
October 2019 in “Australian Journal of General Practice” Accurate diagnosis and treatment are crucial for managing superficial fungal infections, with terbinafine being the best oral treatment for nail infections.
19 citations
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January 2018 Most people with alopecia areata have nail changes, which are common but don't greatly affect their quality of life.