September 2014 in “Chinese Journal of Dermatology” Hair diameter difference, brown skin discoloration around hair follicles, and missing hair in certain areas are key signs of androgenetic alopecia (commonly known as hair loss) when viewed under a dermoscope.
14 citations
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May 2022 in “Animals” Female goslings have darker feathers than males due to more melanin.
17 citations
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February 2011 in “International Journal of Cosmetic Science” Grey hair is wilder, drier, and less manageable than pigmented hair.
2 citations
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October 2022 in “Frontiers in genetics” Late diagnosis of congenital adrenal hyperplasia can greatly affect physical development, gender identity, and sexual health.
December 2024 in “IntechOpen eBooks” Trichoscopy helps diagnose and track alopecia areata by examining specific hair and scalp markers.
2 citations
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October 2001 in “Mycoses” A cat had a rare fungal infection caused by Microsporum gypseum.
2 citations
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January 2018 in “International Journal of Trichology” Two sisters had a rare hair condition without other usual symptoms.
Recognizing bamboo hair helps diagnose Netherton’s syndrome.
7 citations
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May 2012 in “Journal of veterinary diagnostic investigation” Some young Angus cattle had skin problems due to not enough vitamin A, which got better after they were given more vitamin A.
53 citations
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August 2015 in “The Italian Journal of Pediatrics/Italian journal of pediatrics” Excessive body hair can signal complex health issues.
4 citations
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November 2015 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Eosinophilic esophagitis may trigger alopecia areata in some patients.
December 2025 in “Y HOC TP HO CHI MINH” The Trichoscope is a valuable tool for diagnosing and monitoring hair loss conditions.
4 citations
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September 2020 in “Journal of Cutaneous Pathology” January 2025 in “Digital Repository (National Repository of Grey Literature)” Red hair is linked to worse health, especially in women.
8 citations
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August 1971 in “Canadian Journal of Zoology” Chinchillas have specific blood and protein levels, with variations possibly linked to pregnancy or hair growth.
March 2013 in “Pigment Cell & Melanoma Research” A gene called Taqpep affects cat coat patterns like stripes and blotches.
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.
1 citations
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August 2012 in “Journal der Deutschen Dermatologischen Gesellschaft” A woman's hyperandrogenism was caused by a genetic mutation leading to non-classic adrenogenital syndrome.
January 2014 in “Progress of Digestive Endoscopy” Prednisolone improved symptoms in a woman with Cronkhite-Canada syndrome, but regular screenings are needed due to cancer risk.
January 2021 in “International journal of dermatology, venereology and leprosy sciences” Trichoscopy shows black dots, yellow dots, and empty follicles are common in Alopecia Areata, with broken and exclamation mark hair as typical patterns.
October 2025 in “JMIR Dermatology” Exclamation-mark hairs and yellow dots indicate alopecia areata, while follicular ostia loss and white scarring indicate lichen planopilaris and discoid lupus erythematosus.
1 citations
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May 2015 in “Zeitschrift für Gastroenterologie” Autoimmune gastritis is a common cause of iron deficiency and should be included in diagnostic guidelines.
12 citations
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July 2004 in “Molecular genetics and genomics” A new mouse mutation causes skin and hair defects due to a gene change.
9 citations
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May 2014 in “BMC medical genetics” A woman with a unique syndrome similar to TRPS has a genetic change near the TRPS1 gene, affecting its regulation.
January 2010 in “Chinese Journal of Dermatovenereology of Integrated Traditional and Western Medicine” A unique gene mutation was found in a family with monilethrix.
November 2019 in “European journal of internal medicine” A Laotian man with unusual skin changes and multiple growths in his gut was diagnosed with Cronkhite-Canada Syndrome and improved with nutritional and immune-based treatments.
March 2023 in “JAAD case reports” A new genetic change in the keratin 10 gene caused a skin condition called ichthyosis hystrix in a father and his daughter.
1 citations
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September 2021 in “Biomedical & Pharmacology Journal” Reticulocyte hemoglobin content is the best indicator of iron deficiency in women with diffuse non-scarring hair loss.
Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.