73 citations
,
April 2010 in “Anais Brasileiros de Dermatologia” Dermoscopy helps diagnose and monitor treatment for hair loss from scarring conditions like discoid lupus and lichen planopilaris.
Discoid Lupus Erythematosus is more common in women aged 31-40, often worsened by sunlight, and confirmed by specific lab tests.
39 citations
,
January 2011 in “Archives of Dermatology” Reflectance confocal microscopy confirms that yellow dots are signs of damaged hair follicles in alopecia areata.
19 citations
,
July 2009 in “Clinical and Experimental Dermatology” The study found that long-term sun exposure does not significantly affect follicular plugs on the scalp, and the scalp's appearance is unique compared to other body parts.
June 2025 in “Australasian Journal of Dermatology” Pigmented rings with central clearing help diagnose melasma more accurately.
2 citations
,
December 2019 in “The Open Dermatology Journal” Linear Discoid Lupus Erythematosus of the scalp can cause hair loss and should be considered in similar cases.
13 citations
,
July 2014 in “The Journal of Dermatology” Dermoscopy helped diagnose discoid lupus erythematosus in two patients without needing skin biopsies.
1 citations
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June 2014 in “Serbian Journal of Dermatology and Venereology” A woman with discoid lupus improved with treatment after being misdiagnosed with a different hair loss condition.
16 citations
,
November 2003 in “Journal of the American Academy of Dermatology” Iron therapy cured the boy's hair color issue.
4 citations
,
July 2019 in “Clinics in Dermatology” The document concludes that while white skin, nail, and mucosa diseases increase skin cancer risk, they are generally harmless, especially compared to darker pigmentation conditions.
February 2025 in “Vestnik dermatologii i venerologii” Discoid lupus erythematosus can cause scarring hair loss on the scalp, needing ongoing treatment and specialist care.
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.
13 citations
,
September 1997 in “Archives of Dermatology” The boy likely has a fungal infection causing hair loss.
12 citations
,
January 2013 in “Indian dermatology online journal” Dermatopathia pigmentosa reticularis causes skin discoloration, hair loss, and nail problems.
19 citations
,
November 1985 in “Archives of Dermatology” The newborn's skin blisters healed without scarring, leaving some light spots, and stopped forming after four months.
2 citations
,
October 2016 in “Nutrition in clinical practice” Vitamin B12 deficiency can cause facial dark spots that go away with treatment.
6 citations
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January 2016 in “JAMA Dermatology” Dirty dots are a common scalp finding in elderly women and can be washed away with shampoo.
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.
January 2005 in “Veterinarski glasnik” The dog's hair discoloration was due to low zinc and hypothyroidism, not the medication.
7 citations
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July 2013 in “Acta Biochimica Polonica” Chemotherapy reduces splenic melanin in mice.
Trichodysplasia spinulosa can occur after a heart transplant due to immunosuppressive drugs.
January 2011 in “Journal of The American Academy of Dermatology” Two patients had a rare combination of red skin spots and white scaly skin lesions not on the genitals.
10 citations
,
June 1999 in “Veterinary Dermatology” Two cows had a rare hair disorder causing hair loss but were otherwise healthy.
30 citations
,
May 1980 in “Journal of the American Academy of Dermatology” Alopecia areata can cause spotty white areas on nails.
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.
May 2020 in “JOJ Dermatology & Cosmetics” A rare skin condition usually on the face was found on a man's heel.
2 citations
,
January 1999 in “Dermatology”
7 citations
,
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.
7 citations
,
May 1988 in “International Journal of Dermatology” The patient's hair has unique structural differences with alternating bright and dark bands.
16 citations
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July 2013 in “The American Journal of Dermatopathology” Pigmented casts are common in several hair loss conditions and can help diagnose specific types of alopecia.