5 citations
,
January 2018 in “Indian Dermatology Online Journal” A brown shadow seen in dermoscopy is a marker for lichen nitidus.
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.
December 2023 in “Clinical, cosmetic and investigational dermatology” The study found that white hair in vitiligo has specific patterns and structures, which vary with the stage of the disease and may be similar to another hair condition.
3 citations
,
March 2012 in “Actas Dermo-Sifiliográficas” An elderly man with skin amyloidosis and abnormal blood proteins was monitored without finding widespread disease after 18 months.
November 2022 in “JAAD case reports” A man with skin and hair symptoms improved partially with specific treatment.
July 2025 in “Pigment International” Follicular vitiligo causes hair to gray without skin color loss.
April 2016 in “Journal of the American Academy of Dermatology” Treatment improved some symptoms but not all.
January 2011 in “The Chinese Journal of Dermatovenereology” The woman's skin condition improved with specific oral and topical treatments.
October 2025 in “JMIR Dermatology” Exclamation-mark hairs and yellow dots indicate alopecia areata, while follicular ostia loss and white scarring indicate lichen planopilaris and discoid lupus erythematosus.
9 citations
,
July 2010 in “British Journal of Dermatology” The document suggests a rare skin condition might be caused by a genetic phenomenon.
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.
1 citations
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January 2019 in “Acta dermato-venereologica” The woman's skin and hair symptoms were confirmed as frontal fibrosing alopecia, and while facial papules are common in such cases, there's no effective local treatment, but systemic treatments can help.
January 2012 in “Yearbook of Dermatology and Dermatologic Surgery” The study concluded that a 'Swiss cheese' pattern in hair follicles is a useful sign for diagnosing alopecia areata.
July 2019 in “Zenodo (CERN European Organization for Nuclear Research)” Follicular mucinosis in a 15-year-old is usually harmless but needs monitoring for possible lymphoma.
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.
10 citations
,
January 2011 in “Annals of Dermatology” A rare scalp tumor involving two hair follicles was successfully removed with surgery, with no recurrence after 7 months.
63 citations
,
October 1989 in “Journal of The American Academy of Dermatology” Red, swollen skin patches are a common allergic reaction to heparin injections, and testing with different heparin types can help find a suitable treatment.
27 citations
,
December 1999 in “American Journal of Dermatopathology” Necrobiosis lipoidica may need new criteria for accurate diagnosis due to similarities with another condition.
1 citations
,
January 2022 in “Journal of veterinary diagnostic investigation” A British Bulldog had a unique viral plaque caused by Canine papillomavirus 18, different from typical tumors.
3 citations
,
January 2019 in “Annals of Dermatology” The study concluded that careful examination is key to differentiate between lipidized fibrous histiocytoma and juvenile xanthogranuloma.
12 citations
,
January 2013 in “Indian dermatology online journal” The document reports a unique case of woolly hair with a combination of conditions not previously seen together.
2 citations
,
February 2009 in “Clinical and Experimental Dermatology” A man had rare skin tumors with bone formation and cholesterol deposits.
April 2012 in “Informa Healthcare eBooks” Lichen planopilaris is a rare, chronic condition causing hair loss, mainly in middle-aged women, and early treatment is important to prevent permanent baldness.
2 citations
,
December 2017 in “PubMed” A long-term pubic rash was finally diagnosed as white piedra and cured with ketoconazole.
2 citations
,
January 2017 in “International Journal of Trichology” Trichoscopy can reveal specific hair and scalp changes in linear morphea.
Lichen planus commonly affects middle-aged adults, often involves limbs and mucosal areas, and can be linked to immune diseases.
4 citations
,
July 2014 in “The Journal of Dermatology” Plaque-type herpetic folliculitis affects eccrine glands.
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.
1 citations
,
December 2012 in “Clinical and Experimental Dermatology” A rare calcium deposit condition was found on a man's scalp.
17 citations
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July 1984 in “British journal of dermatology/British journal of dermatology, Supplement” The four patients have a unique type of ichthyosis affecting hair follicles.