January 2026 in “Frontiers in Medicine” A child has a rare hair and skin disorder due to specific gene variants, suggesting broader genetic testing is needed.
58 citations
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November 1969 in “British Journal of Dermatology” Netherton's disease causes multiple hair defects.
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.
26 citations
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October 1998 in “Experimental Dermatology” A keratin hHb6 mutation causes a hair disorder with varying severity, influenced by other factors.
July 2025 in “Dermatology Practical & Conceptual” A 2-year-old boy has a rare hair disorder causing brittle hair and hair loss, which may improve with age.
A white-tailed deer fawn in South Dakota was the first cervid found with congenital hypotrichosis, a condition causing sparse or missing hair.
A 14-year-old girl with a condition that makes her hair easy to pull out also has a hair-pulling disorder, and treatment helped but she relapsed after a year.
July 2023 in “Indian Journal of Endocrinology and Metabolism” An 11-year-old girl's hair regrew after treating her thyroid condition with carbimazole.
5 citations
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January 1998 in “Clinical and experimental dermatology” Myotonic dystrophy should be considered in patients with hair thinning, and genetic counseling is important.
4 citations
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January 2014 in “Indian dermatology online journal” Monilethrix is a genetic hair disorder causing fragile, beaded hair with no effective treatment.
March 2019 in “Journal der Deutschen Dermatologischen Gesellschaft” Rothmund-Thomson syndrome type 2 can cause chronic, poorly healing wounds.
46 citations
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December 1992 in “The Journal of Steroid Biochemistry and Molecular Biology” Affected males are born with ambiguous genitalia, raised as females, but develop male traits at puberty due to enzyme deficiency.
11 citations
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March 1991 in “PubMed” Hormonal imbalances, including high prolactin and thyroid issues, contribute to hair growth problems in women.
178 citations
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October 2001 in “Genes & Development” The mutated hairless gene causes hair loss by acting as a new type of corepressor affecting thyroid hormone receptors.
15 citations
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December 2014 in “PLoS ONE” A mutation in the iRhom2 gene causes hairless mice due to abnormal hair follicle development.
April 2018 in “Blackwell's Five‐Minute Veterinary Consult Clinical Companion” The document concludes that skin and hair changes in small animals are often due to hormonal imbalances and recommends regular baths and antibiotics for associated infections.
64 citations
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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.
3 citations
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June 2002 in “PubMed” Two sisters with Netherton's syndrome had skin and hair issues, needing special diet and ointments.
1 citations
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September 2015 in “Clinics in Dermatology” The guide helps doctors diagnose hair problems by suggesting a thorough patient history, physical exams, and various diagnostic tools.
2 citations
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September 2016 in “Journal of Dermatological Science” Reduced TRPS1 leads to increased STAT3 and SOX9 in hair follicles, affecting hair growth.
41 citations
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November 2011 in “The Journal of Dermatology” Some hair loss disorders are caused by genetic mutations affecting hair growth.
21 citations
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January 2005 in “Pediatric Dermatology” An 8-year-old girl with vitiligo developed extra hair growth on her knee after using tacrolimus ointment.
35 citations
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April 2014 in “American Journal of Medical Genetics” Boys with less severe EDA mutations in XLHED have milder symptoms and better sweat and hair production.
26 citations
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April 2007 in “Journal of clinical oncology” 5 citations
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May 2007 in “Pediatric Dermatology” Severe hypothyroidism can cause unusual skin problems that improve with thyroid treatment.
4 citations
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September 1992 in “Journal of Small Animal Practice” A French bulldog had sparse hair due to a condition similar to that seen in Chinese crested dogs.
11 citations
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December 2015 in “Indian journal of dermatology, venereology, and leprology” Dermoscopy quickly and accurately diagnosed a rare hair disorder in a 12-year-old girl.
June 2016 in “Journal of Coastal Life Medicine” The terrier dog with pituitary-dependent hyperadrenocorticism was successfully treated with mitotane.
66 citations
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December 1999 in “Journal of Investigative Dermatology” New mutations in the hairless gene may cause hair loss and affect bone development.
January 2022 in “Revista Dermatológica Centro Uraga” Monilethrix is a genetic hair disorder affecting hair shape, seen in two brothers.