February 2026 in “Journal of Cutaneous and Aesthetic Surgery” Ectopic acanthosis nigricans can occur at surgical sites due to skin graft mismatches.
10 citations
,
July 2001 in “PubMed” A new type of pachyonychia congenita may exist, caused by a different keratin mutation.
1 citations
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January 2018 in “Jornal Brasileiro de Patologia e Medicina Laboratorial” Monilethrix causes brittle hair and hair loss, and it runs in families.
A man's scalp hair loss was due to a combined melanocytic nevus and alopecia areata, suggesting a possible link between the two conditions.
1 citations
,
January 2013 in “Springer eBooks” The document concludes that skin and nail changes can indicate various underlying health conditions.
9 citations
,
November 2015 in “JAMA dermatology” A 91-year-old woman's hair turned black in one spot, with skin changes underneath.
8 citations
,
January 2011 in “International journal of trichology” Accurate diagnosis of APL is crucial to avoid unnecessary treatments.
2 citations
,
August 2014 in “Archivos argentinos de pediatría” A 6-year-old girl with Turner syndrome also had psoriasis, alopecia areata, and trachyonychia.
45 citations
,
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.
8 citations
,
June 2016 in “Journal of Cutaneous Pathology” Two women were diagnosed with a rare melanoma that looked like hair loss but was actually a type of skin cancer.
14 citations
,
June 1989 in “Journal of dermatology” Three siblings had both Vohwinkel's disease and congenital alopecia, with no effective treatment.
July 2021 in “PARIPEX INDIAN JOURNAL OF RESEARCH” Knuckle darkening can be an early sign of vitamin B12 deficiency.
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.
January 1999 in “Journal of Investigative Dermatology” 2 citations
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May 2024 in “International Journal of Dermatology” June 2021 in “The Journal of Family Practice” A 69-year-old woman has a fast-growing hand lesion that didn't improve with salicylic acid.
1 citations
,
November 2023 in “Curēus” Early diagnosis and treatment of nail and skin conditions can improve health and appearance.
11 citations
,
August 1986 in “Archives of Dermatology” Vitamin B12 deficiency can cause skin and hair color changes, which can be reversed with treatment.
May 2020 in “JOJ Dermatology & Cosmetics” A rare skin condition usually on the face was found on a man's heel.
18 citations
,
February 2001 in “Der Hautarzt” A woman with myotonic dystrophy had multiple skin tumors on her scalp, suggesting a genetic link.
January 2026 in “Clinical Case Reports” A 6-year-old girl had both monilethrix and trichorrhexis nodosa, causing brittle hair, with minimal improvement from treatment.
12 citations
,
January 2013 in “Indian dermatology online journal” Dermatopathia pigmentosa reticularis causes skin discoloration, hair loss, and nail problems.
13 citations
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January 2001 in “Pediatric dermatology” A dark-haired Chinese girl had hair that looked banded under certain light but was normal under a microscope.
April 2014 in “Jurnal Biomedik : JBM” An 8-year-old girl had nail and hair issues that improved without specific treatment, but fungal nail infection was hard to cure.
January 2026 in “Forum Dermatologicum” Thorough hair examination is crucial for accurate diagnosis and treatment.
9 citations
,
September 2020 in “Journal of cosmetic dermatology” A woman developed vitiligo from repeated eyebrow microblading.
1 citations
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March 2024 in “Ophthalmic Plastic and Reconstructive Surgery” A pilomatrixoma in the eyebrow can cause hair loss and skin lightening.
January 2026 in “Cosmoderma” A 9-year-old girl has a rare hair disorder causing beaded, sparse hair.
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.
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.