March 2022 in “Veterinary dermatology” A one-year-old cat had multiple benign skin tumors similar to those known in humans.
20 citations
,
January 2002 in “Laboratory Animals” Mutations in the hairless gene cause hair loss and skin cysts in rhesus macaques.
September 2018 in “International Journal of Dermatology” Anterolateral leg alopecia is a benign, nonprogressive hair loss condition on the lower legs that is not well understood and may resolve on its own.
38 citations
,
September 1997 in “The journal of investigative dermatology/Journal of investigative dermatology” A mutation in mice causes hair loss and skin issues due to a defect in a gene affecting cell adhesion.
1 citations
,
July 2012 in “Nasza Dermatologia Online” CCCA may be caused by both hair traction and an immune response.
186 citations
,
October 1957 in “A M A Archives of Dermatology” Alopecia mucinosa is a challenging condition with unclear diagnosis and treatment.
February 2013 in “Journal of the American Academy of Dermatology” Follicular red dots can appear where alopecia areata and vitiligo overlap.
48 citations
,
March 1997 in “Veterinary Dermatology” Some cats with sudden hair loss and tiredness might have cancer-related alopecia.
8 citations
,
January 2014 in “Indian Journal of Paediatric Dermatology” Congenital atrichia with papular lesions causes permanent hair loss and skin bumps from birth.
71 citations
,
October 2013 in “Experimental Dermatology” Vitiligo and alopecia areata may have similar causes despite their differences.
October 1966 in “Archives of Dermatology” A 19-year-old female with alopecia universalis experienced total hair loss, and previous treatments were ineffective.
November 2023 in “BMJ case reports” A man in his 30s had patchy hair loss on his leg due to primary follicular mucinosis.
55 citations
,
May 2007 in “Australasian journal of dermatology” Two boys developed a viral skin infection during chemotherapy, which resolved with improved immune function.
July 1974 in “Archives of Dermatology” Ultraviolet light treatment with trioxsalen was ineffective for vitiligo in the cases described.
May 2024 in “Australasian journal of dermatology” A man with a type of skin lymphoma had unusual yellowish skin growths despite normal blood lipid levels, and treatment reduced some symptoms but not the growths.
8 citations
,
June 2012 in “Australasian Journal of Dermatology” A rare form of alopecia causes hair thinning without bald spots and may be more common than thought, responding well to steroid treatment.
2 citations
,
January 2018 Diffuse alopecia areata causes widespread hair thinning due to an autoimmune response.
9 citations
,
January 2018 in “International Journal of Trichology” A woman's hair loss from graft versus host disease helps understand similar hair loss conditions.
64 citations
,
August 2014 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” A deficiency in the TTC7A gene causes immune problems, gut issues, and hair loss.
December 2025 in “Russian Journal of Skin and Venereal Diseases” Hair follicles are thinner in alopecia patients, especially in alopecia areata.
11 citations
,
March 2007 in “Digestive Diseases and Sciences” The conditions alopecia areata, primary sclerosing cholangitis, and ulcerative colitis may be linked by shared autoimmune and cell death mechanisms.
9 citations
,
January 2011 in “American Journal of Dermatopathology” Pilomatrixoma involves abnormal hair keratin production and cell death, causing debris and cysts.
1 citations
,
November 2023 in “Indian Journal of Dermatology” A 6-year-old Asian boy has a rare scalp condition causing hair loss and thickening, with unclear causes and no effective treatment.
January 2023 in “Indian Dermatology Online Journal” A 23-year-old man has a benign, non-progressive hair loss patch that doesn't respond to treatment but can be cosmetically treated.
10 citations
,
June 1999 in “Veterinary Dermatology” Two cows had a rare hair disorder causing hair loss but were otherwise healthy.
August 2010 in “Journal of The American Academy of Dermatology” The document explains the diagnosis and characteristics of woolly hair nevus and alopecia neoplastica.
January 2026 in “Acta Dermatovenerologica Alpina Pannonica et Adriatica” Primary cicatricial alopecia causes permanent hair loss by destroying hair follicles, and its exact cause is unknown.
54 citations
,
December 2011 in “American Journal Of Pathology” A Gsdma3 mutation causes hair loss due to stem cell damage from skin inflammation.
January 2010 in “Seoul National University Open Repository (Seoul National University)” Lack of Vitamin D receptors can cause hair loss.
3 citations
,
August 2010 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” A rare genetic disease caused severe, worsening hair loss from early childhood with poor treatment results.