8 citations
,
May 2021 in “Journal of the European Academy of Dermatology and Venereology” A COVID-19 patient had unusual nail discoloration and nail separation possibly due to the virus's effects on small blood vessels.
Low vitamin C caused bleeding and corkscrew hair, resolved with vitamin C treatment.
Patients with graft-versus-host disease often have nail changes related to the nail matrix, with severity not linked to skin condition.
6 citations
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January 2017 in “International Journal of Dermoscopy” Dermoscopy is useful for early diagnosis and monitoring of nail diseases.
PNH can occur in patients with SLE, so doctors should be aware of this.
2 citations
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January 2025 in “Dermatology Practical & Conceptual” Nailfold dermoscopy is a simple, cheap way to check blood vessel changes in COVID-19 patients.
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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November 2005 in “The Journal of Dermatology” A man's crushed thumb caused unusual horizontal nail ridges on all fingers of one hand.
March 2024 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Hair transplant surgery using micropunch can cause blood vessel damage similar to vasculitis in some cases.
November 2022 in “Indian Journal of Dermatology/Indian journal of dermatology” Valproic acid can cause dark lines on nails.
13 citations
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April 2009 in “Journal der Deutschen Dermatologischen Gesellschaft” Nail disorders not caused by infection are common and can look similar, with psoriasis being the most frequent and having specific nail symptoms.
4 citations
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June 2014 in “The Journal of Dermatology” Elkonyxis, a rare nail condition, improved when patients stopped their nail-picking habits.
10 citations
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August 2016 in “Anais brasileiros de dermatologia/Anais Brasileiros de Dermatologia” Vitiligo patients often have nail problems, so checking their nails is important.
February 2013 in “Journal of The American Academy of Dermatology” A boy with a rare birthmark called verrucous hemangioma needed careful timing for surgery due to its size and depth.
6 citations
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October 2006 in “International Journal of Dermatology” Hair splitting and nail detachment are linked conditions.
March 2012 in “Journal of The American Academy of Dermatology” Hand-foot-mouth disease may cause nail loss in children.
45 citations
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January 2018 in “International Journal of Dermatology” Nail problems are common in people with alopecia areata, often leading to cosmetic and functional issues, but more research is needed for treatment guidelines.
4 citations
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October 2008 in “International Journal of Dermatology” A toddler's chronic finger ulcer was successfully treated after removing a hair causing hair-thread tourniquet syndrome.
February 2023 in “Indian journal of private psychiatry/Indian Journal of Private Psychiatry” Valproic acid can rarely cause reversible nail discoloration.
November 2024 in “Thrombosis Journal” Skin diseases like alopecia areata and psoriasis may be linked to blood clotting issues and heart problems.
June 2025 in “British Journal of Dermatology” Nail abnormalities in children can indicate deeper health issues.
3 citations
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January 2018 in “Skin Appendage Disorders” Nail issues are common in alopecia areata patients.
July 2021 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Knuckle darkening can be an early sign of vitamin B12 deficiency.
January 2026 in “Dermatology Practical & Conceptual” Nail changes are common in alopecia areata and can indicate its severity.
June 2025 in “British Journal of Dermatology” Segmented hair color changes can indicate active alopecia areata.
6 citations
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April 2012 in “Journal of Oral Pathology and Medicine” Rushton's hyaline bodies form from hair keratin and blood substances.
February 2025 in “Indian Dermatology Online Journal” Pincer nails are rare in lupus patients and may be managed conservatively.
February 2026 in “Journal of Cutaneous and Aesthetic Surgery” Ectopic acanthosis nigricans can occur at surgical sites due to skin graft mismatches.
6 citations
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April 2024 in “Health Science Reports” Younger patients with severe alopecia areata often have nail problems.
January 2026 in “Advances in Dermatology and Allergology” Alopecia areata may be linked to changes in small blood vessels.