9 citations
,
July 2010 in “British Journal of Dermatology” The document suggests a rare skin condition might be caused by a genetic phenomenon.
30 citations
,
May 1980 in “Journal of the American Academy of Dermatology” Alopecia areata can cause spotty white areas on nails.
10 citations
,
September 1994 in “International Journal of Dermatology” Three Iranian men had reddish-brown facial pigmentation with no effective treatment.
9 citations
,
June 2017 in “The American journal of dermatopathology/American journal of dermatopathology” The study found increased skin pigmentation and variable melanocyte density in a patient with Addison's disease.
June 2025 in “British Journal of Dermatology” Melanocytic matricoma can look like skin cancer but is usually harmless; surgery and follow-up are advised.
3 citations
,
December 1967 in “Australasian Journal of Dermatology” Becker's Melanosis and Hypertrichosis mainly affects young males, causing brown skin patches and extra hair on one side of the upper body.
June 2025 in “Australasian Journal of Dermatology” Pigmented rings with central clearing help diagnose melasma more accurately.
March 2009 in “Chinese Journal of Dermatology” Melanocytes in the outer root sheath are likely stem cells that grow fast but stay immature.
December 2018 in “European Journal of Pediatric Dermatology/PD. European journal of pediatric dermatology” Segmental vitiligo affects hair follicle melanocytes, causing small, uniform depigmented spots.
January 2024 in “Dermatology Practical & Conceptual” Spotted lunula may help identify alopecia areata.
September 2018 in “CRC Press eBooks” Hair and nail disorders can cause changes in scalp pigmentation, especially with sun exposure and alopecia.
9 citations
,
November 2015 in “JAMA dermatology” A 91-year-old woman's hair turned black in one spot, with skin changes underneath.
10 citations
,
June 2009 in “Acta Biochimica Polonica” Old C57BL/6 mice with unsynchronized hair cycles show less melanin in their spleens.
7 citations
,
January 2008 in “Indian Journal of Dermatology” Pigmentary mosaicism causes skin color changes and can affect multiple body systems, but has no cure.
3 citations
,
March 2021 in “Cureus” A rare combination of halo nevi, nonsegmental vitiligo, and early gray hair can occur together.
The PI's development is closely linked to skin and hair pigmentation in macaques.
5 citations
,
January 2018 in “Indian Dermatology Online Journal” A brown shadow seen in dermoscopy is a marker for lichen nitidus.
February 2022 in “Brazilian Journal of Health Review” Most cases were lichen planus pigmentosus, highlighting the need for accurate diagnosis for proper treatment.
7 citations
,
May 2010 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” White hair follicles in vitiligo have fewer and less functional melanocytes.
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.
25 citations
,
December 2008 in “Journal of Dermatological Case Reports” Skin color may change how alopecia areata looks under a dermoscope.
60 citations
,
September 2010 in “Journal of the American Academy of Dermatology” Small white dots on the scalp seen with a dermoscope correspond to sweat ducts and vary with different hair disorders.
June 2023 in “JAAD Case Reports” A man had a rare skin cancer that looked like a bald spot.
20 citations
,
November 2004 in “Archives of Pathology & Laboratory Medicine” A rare benign skin growth called melanocytic matricoma was identified in a 69-year-old man.
January 2003 in “Linchuang pifuke zazhi” Melanin granules can be expelled by exocytosis.
13 citations
,
July 2012 in “Pigment Cell & Melanoma Research” A mutation in the Adam10 gene causes freckle-like spots on Hairless mice.
50 citations
,
February 2004 in “Journal of Investigative Dermatology” January 2006 in “Chinese Journal of Dermatology” Amelanotic melanocytes from hair follicles are immature and likely don't transfer melanosomes to keratinocytes.
18 citations
,
April 1989 in “Archives of Dermatology” Iron deficiency can cause hair color changes, which can be reversed with iron supplements.
1 citations
,
July 2018 in “JAMA dermatology” Poliosis causes white hair patches due to lack of melanin.