January 2012 in “International Journal of Trichology” Two siblings have a rare genetic condition causing curly, coarse hair.
45 citations
,
April 2009 in “Journal of anatomy” Cat claws stay sharp by shedding their outer layer through microcracks formed during activities.
27 citations
,
November 2007 in “Genomics” Mutations in specific keratin genes cause improper hair structure in mice due to faulty keratin protein assembly.
2 citations
,
August 2020 in “CRC Press eBooks” Tabby mutations in mice affect hair follicle development and help study genetic mapping and certain medical conditions.
October 2023 in “Jurnal Ilmu Kesehatan Hewan” The kitten's skin condition improved significantly after 4 weeks of treatment.
2 citations
,
September 1987 in “International Journal of Dermatology” Minoxidil caused hair to grow in unintended areas, like a tail, in a young girl.
66 citations
,
October 2002 in “Human molecular genetics online/Human molecular genetics” A gene mutation in mice causes skin defects and early death.
1 citations
,
January 2014 in “Indian Journal of Dermatology, Venereology and Leprology” The 'Swiss cheese' pattern in scalp biopsies can indicate trichotillomania, not just alopecia areata.
85 citations
,
February 1989 in “Journal of The American Academy of Dermatology” Children with loose anagen hair have easily pluckable hair due to root sheath problems, and it might improve without treatment.
3 citations
,
April 2016 in “International Journal of Dermatology” A young man was diagnosed with trichoepitheliomas, causing thick skin and hair loss.
April 2021 in “Cermin Dunia Kedokteran” Two siblings with tinea capitis improved after treatment with ketoconazole.
9 citations
,
April 1985 in “Archives of Dermatology” Recognizing the "bamboo hair defect" is crucial for diagnosing Netherton's syndrome.
7 citations
,
January 2003 in “Nippon Ishinkin Gakkai Zasshi” The girl's scalp infection healed well with terbinafine treatment.
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.
Wavy sinus hairs in cats are linked to feline leukemia virus infection.
4 citations
,
January 2017 in “Annals of Dermatology” Frequent hairdryer use may worsen hair fragility in people with Pili Annulati.
49 citations
,
January 1972 in “Biochimica et Biophysica Acta (BBA) - Protein Structure”
December 2019 in “Mehmet Akif Ersoy Üniversitesi Sağlık Bilimleri Enstitüsü dergisi” One cat with low thyroid hormone had growth issues, and another with high thyroid hormone had skin problems; both got better with treatment.
4 citations
,
September 2017 in “Skin appendage disorders” The dog with an Alopecia Areata-like condition showed signs of an autoimmune disease and partially regrew hair without treatment, suggesting dogs could be models for human AA research.
January 1999 in “대한피부과학회지” Trichotillomania is more common in young females and often linked to stress and psychiatric conditions, with hair loss and increased catagen hair observed.
17 citations
,
May 1969 in “American Journal of Physical Anthropology” The silver marmoset's skin is thin, lacks pigment cells, and has unique features like keratinized spines and specialized glands.
December 2025 in “Antibiotics” Tinea capitis in older adults is often misdiagnosed but can be effectively treated with antifungal therapy.
Griseofulvin is still the best treatment for tinea capitis.
10 citations
,
June 2023 in “Medical Mycology Case Reports” An elderly man had a scalp infection misdiagnosed as dandruff, treated successfully with antifungal medication.
January 2025 in “LUMEN ET VIRTUS” Orchiectomy and melatonin helped a German Spitz regrow hair lost due to alopecia X.
The document concludes that non-endocrine alopecia in pets varies in treatment effectiveness and often has a poor prognosis, especially in cats.
158 citations
,
December 2002 in “Development” Msx2-deficient mice experience irregular hair growth and loss due to disrupted hair cycle phases.
13 citations
,
December 1940 in “The journal of nutrition/The Journal of nutrition” Lack of certain vitamins causes fur loss and greying in silver foxes.
4 citations
,
May 2014 in “Javma-journal of The American Veterinary Medical Association” The cat had liver cancer and a related hair loss condition, with a likely cause being bile duct cancer.
4 citations
,
November 1999 in “PubMed” Monilethrix is a rare hair disorder causing beaded, fragile hair, often improving on its own over time.