21 citations
,
January 2018 in “PLoS Genetics” Certain genetic variants in keratins increase the risk of tooth decay.
77 citations
,
August 1986 in “Archives of Dermatology” Vitamin B12 deficiency can cause skin and hair color changes, which are reversible with treatment.
36 citations
,
July 1996 in “The journal of investigative dermatology/Journal of investigative dermatology” Mice with the 'lanceolate hair' mutation have abnormal hair and skin similar to human Netherton's syndrome.
June 2023 in “International Journal of Dermatology” Lichen planus pigmentosus mainly affects middle-aged women with darker skin, is underreported, and is hard to treat.
1 citations
,
July 2018 in “JAMA dermatology” Poliosis causes white hair patches due to lack of melanin.
10 citations
,
January 1925 in “Archives of Dermatology” Trichostasis spinulosa is a rare skin condition with hair-filled plugs in hair follicles.
18 citations
,
January 2015 in “Experimental Dermatology” New mutations in KRT83 and KRT86 are linked to the hair disorder monilethrix.
5 citations
,
October 2012 in “Veterinary Pathology” A Doberman Pinscher had a rare form of autoimmune disease causing hair loss and other severe symptoms.
February 2016 in “Acta Medica Marisiensis” A woman with chronic hepatitis C had a rare skin condition linked to her illness.
January 2026 in “Cosmoderma” A 9-year-old girl has a rare hair disorder causing beaded, sparse hair.
21 citations
,
April 2014 in “PLoS ONE” A rare gene variant causes hair and nail issues in a family.
May 2015 in “Journal of The American Academy of Dermatology” Povidone-iodine nail solution effectively treats nail infections caused by chemotherapy.
155 citations
,
June 2009 in “International Journal of Dermatology” Lichen planus is a skin condition that can resolve on its own, is linked to hepatitis C, and increases the risk of skin cancer.
10 citations
,
June 2011 in “Archives of Dermatology” Finasteride caused blisters on hands and feet.
November 2025 in “JDDG Journal der Deutschen Dermatologischen Gesellschaft” Restoring phenylalanine levels improved skin and hair symptoms in a PKU infant.
49 citations
,
September 2004 in “Journal of the European Academy of Dermatology and Venereology” Careful light microscopy is crucial for detecting mild cases of pili annulati, which weakens hair and varies widely in expression.
175 citations
,
September 1998 in “British Journal of Dermatology” Keratin 17 gene mutations cause both steatocystoma multiplex and pachyonychia congenita type 2.
23 citations
,
February 1993 in “Journal of Investigative Dermatology” June 2009 in “Mayo Clinic Proceedings” A woman was diagnosed with porphyria cutanea tarda and improved with phlebotomy and lifestyle changes.
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.
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.
April 2016 in “Journal of The American Academy of Dermatology” A woman's skin symptoms led to a diagnosis of systemic AL amyloidosis, but she died from sepsis shortly after.
May 2025 in “The Journal of Rheumatology” Purpura fulminans can signal underlying autoimmune disorders, not just infections.
5 citations
,
January 2018 in “Acta Dermatovenerologica Alpina Pannonica et Adriatica” Congenital atrichia with papular lesions causes permanent hair loss in children.
February 2026 in “Journal of Cutaneous and Aesthetic Surgery” Ectopic acanthosis nigricans can occur at surgical sites due to skin graft mismatches.
Onychomatricoma is a unique nail tumor, not related to other hair-related tumors.
55 citations
,
May 2007 in “Australasian journal of dermatology” Two boys developed a viral skin infection during chemotherapy, which resolved with improved immune function.
9 citations
,
May 1989 in “Journal of the Royal Society of Medicine” An elderly woman's swollen, painful foot was found to be caused by a rare type of bone lymphoma, which improved with radiation treatment.
69 citations
,
May 2002 in “Journal of Investigative Dermatology” Congenital atrichia with papular lesions is often misdiagnosed, and new diagnostic criteria can improve accuracy.