2 citations
,
July 2016 in “Veterinary dermatology” Hyperaesthetic leucotrichia in horses causes painful, recurring skin lesions and hair color changes, especially in Arabian and American paint horses.
13 citations
,
January 2009 in “The Open Dermatology Journal” Oral pigmentation can be a sign of Addison's disease.
June 2023 in “International Journal of Dermatology” Lichen planus pigmentosus mainly affects middle-aged women with darker skin, is underreported, and is hard to treat.
October 2019 in “European Journal of Dermatology” The boy's hair and skin color differences are due to a pigmentation disorder.
94 citations
,
October 2017 in “International Journal of Dermatology” Lichen planus pigmentosus causes dark skin patches and is treated by avoiding triggers and using anti-inflammatory medications.
56 citations
,
December 1978 in “The Journal of Dermatologic Surgery and Oncology” Transplanting small skin grafts can successfully repigment leukoderma.
June 2021 in “Asian Journal of Medical Sciences” Vitamin B12 deficiency can cause reversible skin darkening.
November 2025 in “International Journal of Advanced Research” Platelet-rich plasma therapy effectively treated laser-induced skin lightening.
July 2022 in “European Journal of Dermatology” Brodalumab is more effective than ustekinumab in treating psoriasis.
1 citations
,
August 2018 in “Dermatologic Surgery” 9 citations
,
November 2015 in “JAMA dermatology” A 91-year-old woman's hair turned black in one spot, with skin changes underneath.
June 2025 in “Australasian Journal of Dermatology” Pigmented rings with central clearing help diagnose melasma more accurately.
17 citations
,
January 2014 in “Journal of Oral and Maxillofacial Pathology” Seborrheic keratosis is a common, harmless skin growth that can look like cancer, so it may need a biopsy.
2 citations
,
October 2016 in “Nutrition in clinical practice” Vitamin B12 deficiency can cause facial dark spots that go away with treatment.
December 2014 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Hair removal with intense pulsed light can cause rare skin lesions that are hard to fully treat.
March 2025 in “JDDG Journal der Deutschen Dermatologischen Gesellschaft” Facial hyperpigmentation improved with oral isotretinoin and ivermectin cream after Demodex mites were identified as the cause.
4 citations
,
November 2019 in “Dermatology - Open Journal” Lichen planus pigmentosus is hard to treat and may be more common in North Africa than previously thought.
8 citations
,
July 2018 in “European Journal of Dermatology” A medication may help with hair growth in psoriasis, and a skin condition might be linked to a specific bacteria.
7 citations
,
May 1978 in “Acta Dermato Venereologica” A 36-year-old man had unusual skin lesions on his face without hair loss.
2 citations
,
August 2025 in “Reports — Medical Cases Images and Videos” A rare pigmented skin tumor called melanotrichoblastoma was diagnosed in a 51-year-old woman.
July 1979 in “Archives of Dermatology” A 68-year-old woman with benign mucous membrane pemphigoid has eye, mouth, and skin issues, including thick plaques and nail changes.
November 2024 in “Karnataka Pediatric Journal” 3 citations
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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.
Skin diseases look different on pigmented and nonpigmented skin.
3 citations
,
January 2016 in “Dermatology online journal” Some people with lichen planus pigmentosus might later develop frontal fibrosing alopecia.
9 citations
,
September 2020 in “Journal of cosmetic dermatology” A woman developed vitiligo from repeated eyebrow microblading.
35 citations
,
February 1993 in “International Journal of Dermatology” Cosmetic procedures can trigger pemphigus, an autoimmune disease.
September 2023 in “Clinical, cosmetic and investigational dermatology” A patient with a rare form of lupus improved after treatment for skin ulcers and hair loss on the face and scalp.
September 2022 in “Frontiers in Medicine” New treatments and drugs show promise for improving skin pigmentation and regeneration.
PmtHEE is a better model for studying pigmented skin because it includes melanocytes and shows improved cell differentiation.