4 citations
,
March 2005 in “Archives of Pathology & Laboratory Medicine” Basal cell carcinoma may originate from vellus hair cysts.
January 2016 in “Dermatology Review” Endocrine disorders can cause various skin and hair issues.
October 2023 in “Journal of the Endocrine Society” A woman was diagnosed with Sheehan's syndrome and a rare complication of diabetes insipidus 33 years after symptoms began, improving with hormone therapy.
11 citations
,
January 1977 in “Archives of dermatological research” Mouse tail skin has different keratinization near hair follicles and scales.
2 citations
,
June 2001 in “Medical Electron Microscopy” Trichilemmal cysts may form from hair follicle outer root sheath growth.
September 1997 in “Journal of the European Academy of Dermatology and Venereology” Adults can develop late-onset loose anagen syndrome, which may often be misdiagnosed.
5 citations
,
May 2009 in “American Journal of Dermatopathology” A rare hair follicle tumor showed unusual high levels of mucin.
23 citations
,
February 2020 in “PLOS genetics” Mice with LSS deficiency showed hair loss and cataracts, similar to humans, and can help in understanding and treating this condition.
81 citations
,
March 2006 in “Journal of Investigative Dermatology” Mutations in the DSG4 gene cause specific hair and scalp issues.
June 2018 in “International Journal of Dermatology”
December 2025 in “Biology Bulletin” Baikal seals' skin shows normal features for protection and some pathologies possibly linked to climate change or a virus.
Giant axonal neuropathy changes the structure of keratin in human hair, making it stiffer and stronger.
14 citations
,
January 1998 in “Dermatology” Polythelia pilosa is a type of extra breast tissue with hair and should be classified as such.
124 citations
,
January 1995 in “The journal of allergy and clinical immunology/Journal of allergy and clinical immunology/The journal of allergy and clinical immunology” Netherton's syndrome is linked to high IgE levels and unique skin and hair symptoms, and may improve with ammonium lactate lotion and allergy management.
August 2018 in “Pediatric Dermatology” A baby had a unique skin condition with a pale patch and surrounding dark hairs, not linked to other health issues.
July 2023 in “International journal of physiology” Hypertrichosis lanuginosa causes excessive fine hair growth, often linked to genetics or cancer, with limited treatment options.
3 citations
,
May 1991 in “Journal of Investigative Dermatology” January 2002 in “中国人民解放军军医大学学报(英文版)” Human hair keratin scaffold material degrades in muscles mainly through the ubiquitin system with lysosome help.
October 2023 in “BMJ Case Reports” Thyroid hormone therapy effectively treated the man's rare muscle and heart issues.
6 citations
,
March 2019 in “The American Journal of Dermatopathology” Amyloid deposits linked to a type of protein may cause a unique pattern of hair loss by disrupting hair growth cycles.
84 citations
,
April 2002 in “Archives of Dermatology” Loose anagen hair syndrome may be caused by keratin gene mutations.
8 citations
,
April 2014 in “Clinical and Experimental Dermatology” Eruptive vellus hair cysts likely originate from the infrainfundibulum and sebaceous duct.
7 citations
,
September 2017 in “Scientific Reports” Mice with too much sPLA₂-IIA have hair loss and poor wound healing due to abnormal hair growth and stem cell depletion.
1 citations
,
August 2011 in “Dermatology Reports” Two siblings were found to have a genetic condition causing progressive hair loss and woolly hair, which may often be misdiagnosed.
1 citations
,
October 2022 in “Veterinary pathology” Some canine hair follicle tumors contain amyloid deposits, with a protein called CK5 involved in their formation.
18 citations
,
January 1992 in “Dermatology” A 4-year-old girl has a rare condition causing hairlessness and skin bumps, but normal teeth and sweating.
1 citations
,
August 2023 in “Clinical, Cosmetic and Investigational Dermatology” A condition with certain scalp changes may come before acne keloidalis nuchae and other similar hair loss disorders.
49 citations
,
July 2007 in “Ophthalmic Plastic and Reconstructive Surgery” Surgical excision is an effective treatment for persistent nodules from poly-L-lactic acid injections.
August 2022 in “Case reports in medicine” Long eyelashes in a patient were an unusual sign of systemic lupus erythematosus.
3 citations
,
March 1966 in “Archives of Dermatology” Nevoid basal cell carcinomas start in the skin's top layer and hair follicles.