35 citations
,
January 2008 in “American Journal of Clinical Dermatology” KFSD can be linked to acne keloidalis nuchae and tufted hair folliculitis.
2 citations
,
January 2013 in “Elsevier eBooks” The document explains the genetic causes and characteristics of inherited hair disorders.
3 citations
,
September 2016 in “Pediatric Dermatology” Hypertrichosis (excessive hair growth) can help diagnose superficial epidermolytic ichthyosis.
32 citations
,
April 2014 in “The journal of investigative dermatology/Journal of investigative dermatology” Loss of keratin K2 causes skin problems and inflammation.
27 citations
,
February 1988 in “Journal of the American Academy of Dermatology” The skin condition Ulerythema ophryogenes did not improve with treatment in a patient with other birth defects.
2 citations
,
June 2013 in “Journal of Dermatological Case Reports” Olmsted syndrome is a rare skin disorder causing thickened skin and other symptoms.
4 citations
,
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.
September 2019 in “The journal of investigative dermatology/Journal of investigative dermatology” New RIPK4 gene mutations were found to cause a type of skin and limb birth defect.
48 citations
,
August 1998 in “Developmental Biology” Deleting part of a gene in mice causes wavy hair and high pup loss.
February 2013 in “Journal of the American Academy of Dermatology” Uncombable hair syndrome causes dry, frizzy hair that can't be combed flat, seen in a young child.
28 citations
,
June 1995 in “The Journal of Dermatology” The flaky skin mouse mutation is a natural model for studying human psoriasis.
2 citations
,
June 2001 in “Medical Electron Microscopy” Trichilemmal cysts may form from hair follicle outer root sheath growth.
12 citations
,
March 1981 in “International Journal of Dermatology” External factors like certain shampoos, bacterial infections, and parasites might cause hair defects similar to genetic conditions.
32 citations
,
November 2006 in “Veterinary dermatology” Congenital alopecia in domestic animals is rare and involves abnormal hair follicle development, needing better understanding and classification.
June 2018 in “CRC Press eBooks” Foals can have various skin issues, some genetic, immune-related, or due to infections and allergies.
3 citations
,
March 2023 in “Annals of the New York Academy of Sciences” Mutations in claudin-1 and claudin-3 cause hair loss in baby mice.
February 2026 in “HCA Healthcare Journal of Medicine” Recognizing keratosis pilaris in all skin tones helps diagnose related skin issues and reduce distress.
4 citations
,
January 2011 in “European journal of dermatology/EJD. European journal of dermatology” A boy had a rare scalp condition with thickened skin and different-colored hair.
8 citations
,
November 2015 in “The American journal of dermatopathology/American journal of dermatopathology” Punctate follicular porokeratosis is a skin condition with specific features seen in hair follicles.
8 citations
,
January 2014 in “Indian Dermatology Online Journal” Trichostasis spinulosa is a common but often unnoticed skin condition involving bundled vellus hairs, especially in people with darker skin or UV exposure.
January 2012 in “International Journal of Trichology” Two siblings have a rare genetic condition causing curly, coarse hair.
3 citations
,
July 2004 in “SKINmed/Skinmed” A 4-year-old girl was diagnosed with erythrokeratodermia variabilis after other treatments failed.
December 2022 in “The Turkish Journal of Pediatrics” Hair examination helps diagnose rare neurological diseases in children.
29 citations
,
December 2004 in “Developmental biology” cDermo-1 causes dense skin, feathers, and scales in chickens.
8 citations
,
April 2014 in “Clinical and Experimental Dermatology” Eruptive vellus hair cysts likely originate from the infrainfundibulum and sebaceous duct.
9 citations
,
December 2012 in “Indian Journal of Dermatology Venereology and Leprology” Two sisters had rare, widespread cysts and complete hair loss, suggesting a genetic link.
1 citations
,
January 2018 in “International Journal of Trichology” Circle hairs are harmless, spiral-shaped body hairs that don't need medical treatment.
60 citations
,
March 2006 in “Journal of Medical Genetics” A mutation in the KRTHB5 gene causes hair and nail issues.
7 citations
,
December 2008 in “Expert Review of Dermatology” The document concludes that various childhood hair and nail disorders exist, some may improve on their own, and advances in genetics and immunology could enhance treatment and counseling.
Pseudopelade is likely an independent disease due to its distinct features.