7 citations
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January 2013 in “The journal of investigative dermatology/Journal of investigative dermatology” T-cell reconstitution after thymus transplantation can cause hair whitening and loss.
Melanocytes can regenerate around hair follicles in bullous pemphigoid, especially in patients with darker skin.
2 citations
,
February 1945 in “Archives of Dermatology and Syphilology” Alopecia in the woman was likely caused by vitamin A deficiency, not a fungal infection.
29 citations
,
June 2005 in “Journal of Zoo and Wildlife Medicine” Most hair loss in captive rhesus macaques is likely due to environmental and behavioral factors.
41 citations
,
January 2014 in “Annals of Dermatology” Dermoscopic examination helps diagnose different types of hair loss conditions by showing specific patterns.
1 citations
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July 2020 in “Journal of cosmetic dermatology” A woman on immunosuppressants developed two rare scalp conditions, which improved with specific treatments.
July 2025 in “Dermatologic Surgery”
August 2018 in “Pediatric Dermatology” A baby had a unique skin condition with a pale patch and surrounding dark hairs, not linked to other health issues.
16 citations
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February 2008 in “PubMed” Vitamin B12 deficiency can cause skin darkening and white hair, but it's reversible.
23 citations
,
May 2017 in “Journal of the American Academy of Dermatology” FFA patients have fewer melanocytes and thinner skin compared to others.
A man's scalp hair loss was due to a combined melanocytic nevus and alopecia areata, suggesting a possible link between the two conditions.
May 2018 in “European Journal of Dermatology” Adjusting the medication tacrolimus resolved a boy's red nail beds after a stem cell transplant.
11 citations
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July 2008 in “International Journal of Dermatology” Greying hairs may be protected from alopecia areata.
January 2016 in “Journal of The American Academy of Dermatology” The woman has a type of scarring hair loss with red bumps around hair follicles.
1 citations
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October 2018 in “Madridge journal of dermatology & research” A young child with alopecia areata and psoriasis improved with treatment, suggesting a link between the two conditions.
2 citations
,
June 2009 in “Journal of the American Academy of Dermatology” The treatment didn't work for the woman's hair loss and skin darkening.
23 citations
,
January 2010 in “Journal of Medical Primatology” Hair loss in Rhesus macaques may be caused by a skin allergy-related condition.
June 2021 in “Asian Journal of Medical Sciences” Vitamin B12 deficiency can cause reversible skin darkening.
1 citations
,
March 2024 in “Ophthalmic Plastic and Reconstructive Surgery” A pilomatrixoma in the eyebrow can cause hair loss and skin lightening.
21 citations
,
January 2014 in “International Journal of Trichology” The study concluded that yellow dots are a common and useful sign for diagnosing alopecia areata in dark-skinned individuals and may indicate the severity of the condition.
4 citations
,
July 2021 in “Skin Appendage Disorders” Sudden hair whitening may be linked to immune system activity.
2 citations
,
October 2016 in “Nutrition in clinical practice” Vitamin B12 deficiency can cause facial dark spots that go away with treatment.
7 citations
,
March 2003 in “PubMed” The scalp has a natural speckled pattern of increased pigment around hair follicles, possibly linked to local hormone production.
January 2018 in “Acta dermato-venereologica” January 1991 in “Linchuang pifuke zazhi”
1 citations
,
January 2013 in “Nasza Dermatologia Online” Vitamin B12 deficiency can cause reversible hair color loss in children.
8 citations
,
July 2014 in “Anais Brasileiros de Dermatologia” A man's scalp condition was misidentified as hair loss dots but was actually a common follicular disorder.
3 citations
,
January 2016 in “Dermatology online journal” Some people with lichen planus pigmentosus might later develop frontal fibrosing alopecia.
2 citations
,
September 2021 in “JAAD case reports” A man with a weakened immune system was diagnosed with a rare skin condition called trichodysplasia spinulosa using skin examination techniques.
June 2025 in “British Journal of Dermatology” Segmented hair color changes can indicate active alopecia areata.