November 2021 in “Skin appendage disorders” Self-induced hair loss should be considered in patients with androgenetic alopecia.
7 citations
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March 2003 in “PubMed” The scalp has a natural speckled pattern of increased pigment around hair follicles, possibly linked to local hormone production.
Hair turning darker can be a sign of skin cancer.
2 citations
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June 2023 in “Clinical and Experimental Neuroimmunology” Thymoma may link myasthenia gravis, nail dystrophy, and alopecia areata.
1 citations
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March 2017 in “Semina Ciências Agrárias” Hunting wild boar can cause fungal infections in dogs.
January 2026 in “Surgical & Cosmetic Dermatology” 41 citations
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December 2008 in “Pediatric Dermatology” Trichoscopy can diagnose Netherton syndrome without pulling hairs.
18 citations
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July 2010 in “Journal of the American Academy of Dermatology” Folliculotropic mycosis fungoides can look like alopecia areata.
12 citations
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June 2010 in “Journal of dermatology” Some patients with severe alopecia areata developed skin darkening from their treatment, which may indicate a less effective response to the therapy.
25 citations
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September 1973 in “Archives of dermatology” Using tretinoin cream on the skin can get rid of hair plugs caused by Trichostasis spinulosa.
4 citations
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November 2025 in “Nature Reviews Disease Primers”
22 citations
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April 2000 in “International Journal of Dermatology” A 78-year-old farmer with lung disease had skin lesions from a fungal infection that healed completely with medication.
3 citations
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January 2014 in “Indian dermatology online journal” Hair casts can be mistaken for lice, so correct identification is important.
September 2024 in “The Journal of Dermatology” Nevus comedonicus can sometimes grow terminal hair, challenging previous beliefs.
January 1990 in “Advances in behavioral biology” 19 citations
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July 2004 in “Australasian Journal of Dermatology” Her hair grew back normally after she stopped rubbing it.
7 citations
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October 2012 in “Anais Brasileiros de Dermatologia” A patient had both white piedra and head lice, showing their differences.
2 citations
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January 2017 in “Ciência Rural” A capuchin monkey with a skin infection was successfully treated with itraconazole.
13 citations
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January 2014 in “Postępy Dermatologii i Alergologii” Patchy alopecia areata can affect only pigmented hairs, leaving gray hairs untouched.
2 citations
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July 1994 in “Journal of Dermatological Science” Grafted human scalp samples on mice can produce human hair, useful for studying hair genetics.
7 citations
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November 2011 in “Skin Research and Technology” The study found a specific pattern of uneven melanin distribution on balding scalps that could help understand skin diseases caused by light exposure.
13 citations
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December 2010 in “Archives of Dermatology” Minoxidil use can cause trichostasis spinulosa in long-term hair loss patients.
January 2026 in “International Journal of Dermatology Venereology and Leprosy Sciences” Metformin may improve acanthosis nigricans by reducing insulin resistance.
1 citations
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October 2022 in “Dermatology practical & conceptual” Isolated patchy heterochromia with pili annulati can occur without other health issues.
12 citations
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March 1981 in “International Journal of Dermatology” External factors like certain shampoos, bacterial infections, and parasites might cause hair defects similar to genetic conditions.
1 citations
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August 2022 in “JAAD case reports” Tofacitinib and oral minoxidil may help treat Sisaipho alopecia areata.
2 citations
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March 2020 in “Skin” Using cidofovir cream for a rare skin disease can cause skin darkening.
July 2025 in “Dermatologic Surgery” 12 citations
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January 2013 in “Indian dermatology online journal” Dermatopathia pigmentosa reticularis causes skin discoloration, hair loss, and nail problems.
September 2025 in “Cureus” Plica neuropathica can occur with diffuse alopecia and should be considered in diagnosis.