January 1998 in “The Nishinihon Journal of Dermatology” A 7-year-old girl was diagnosed with Netherton's Syndrome, shown by skin and hair symptoms.
January 2022 in “Indian dermatology online journal” Pigmented papules on the ear can be a rare skin condition called cutaneous amyloidosis, treatable with topical tretinoin.
10 citations
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July 2001 in “PubMed” A new type of pachyonychia congenita may exist, caused by a different keratin mutation.
February 2025 in “Indian Dermatology Online Journal” Pincer nails are rare in lupus patients and may be managed conservatively.
August 2024 in “Postgraduate Medical Journal” A rare skin reaction from cancer treatment was successfully managed with topical treatments and antihistamines.
9 citations
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June 1959 in “Archives of dermatology” Hair can darken after inflammation and then return to its original color.
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.
9 citations
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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.
11 citations
,
August 1986 in “Archives of Dermatology” Vitamin B12 deficiency can cause skin and hair color changes, which can be reversed with treatment.
4 citations
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April 2019 in “JAAD Case Reports” DPR can cause skin, hair, and nail issues, sometimes appearing later in life.
July 2018 in “Elsevier eBooks” Acne keloidalis nuchae is a chronic skin condition more common in African men, causing itchy or painful bumps and can lead to permanent hair loss if not treated early.
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.
September 2018 in “CRC Press eBooks” Hair and nail disorders can cause changes in scalp pigmentation, especially with sun exposure and alopecia.
January 2025 in “International Journal of Trichology” Increased hair growth after a cast is temporary and harmless.
September 2024 in “Dermatologica Sinica” Ponatinib can cause a rare skin reaction that resolves with topical treatment and temporary drug discontinuation.
35 citations
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September 2004 in “American Journal of Dermatopathology” A rare nail bed cancer was successfully treated with no recurrence after 4 years.
June 2025 in “British Journal of Dermatology” Better diagnostic and treatment strategies are needed for acne keloidalis nuchae, especially in high-risk groups.
November 2018 in “Journal of dermatology & cosmetology” The document reports the first case of a rare skin condition in Colombia, the 19th case worldwide.
8 citations
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November 2015 in “The American journal of dermatopathology/American journal of dermatopathology” Punctate follicular porokeratosis is a skin condition with specific features seen in hair follicles.
November 2025 in “JDDG Journal der Deutschen Dermatologischen Gesellschaft” Restoring phenylalanine levels improved skin and hair symptoms in a PKU infant.
Melanin-rich skin has unique challenges in diagnosing and treating skin diseases.
May 2026 in “International Journal of Drug Delivery Technology” Accurate diagnosis of EFFC is crucial for effective counseling and cosmetic care.
2 citations
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May 1991 in “PubMed” Nevus comedonicus is a rare skin condition causing dark bumps, treatable with retinoic acid or surgery.
September 2024 in “Cureus” A 10-year-old boy's nail condition is mainly cosmetic and improves over time with treatment.
6 citations
,
October 1998 in “PubMed” Antifungal treatment can improve severe skin infections with cutaneous horns.
October 2024 in “Indian Journal of Dermatology” Early biopsy is crucial for diagnosing rare skin sarcoidosis, improving treatment.
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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March 2010 in “Journal of plastic, reconstructive & aesthetic surgery” Laser treatment can fix skin color issues after syndactyly surgery.
2 citations
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August 2022 in “Cutis” COVID-19 vaccination may cause temporary nail changes, but they're not serious.
5 citations
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July 2009 in “Clinical and experimental dermatology”