January 2022 in “Clinical Cases in Dermatology” A man developed a unique rash on his neck after taking niacinamide, and doctors recommend considering niacinamide as a cause for similar rashes and using dermatoscopy for diagnosis.
47 citations
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January 1998 in “Molecular Carcinogenesis” ErbB2 signaling is crucial for skin cell growth and cancer development in mice.
Trichodysplasia spinulosa can occur after a heart transplant due to immunosuppressive drugs.
3 citations
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January 2017 in “Dermatology online journal” Dermoscopy helped diagnose a rare hair disorder in a 2-year-old boy.
45 citations
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February 2013 in “The Journal of Dermatology” Keratoacanthoma and some squamous cell carcinomas are linked to hair follicles, while others are not.
December 2023 in “Journal of dermatology” The study concluded that key signs of Keratosis follicularis spinulosa decalvans are changes in terminal hair and vellus hair follicles, which likely start the inflammation and damage to hair follicles.
11 citations
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January 2015 in “JOURNAL OF HEALTH SCIENCE” A 12-year-old boy's rare skin condition improved with topical treatments and may resolve by puberty.
Onychomatricoma is a unique nail tumor, not related to other hair-related tumors.
26 citations
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January 1993 in “Dermatology” A rare case of isolated trichothiodystrophy was identified, marked by brittle hair with low sulfur content.
January 2018 in “Indian Dermatology Online Journal” A child with Olmsted syndrome showed mild improvement in hair and skin issues with treatment.
August 2020 in “International Journal of Research in Dermatology” Clouston's syndrome is a rare disorder affecting nails, hair, teeth, and skin, caused by a gene mutation, and currently has no treatment, only supportive care.
41 citations
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January 1992 in “Journal of medical genetics” The study found that males with KFSD had severe skin and eye symptoms, while female carriers had milder symptoms.
7 citations
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May 1988 in “International Journal of Dermatology” The patient's hair has unique structural differences with alternating bright and dark bands.
4 citations
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January 2011 in “European journal of dermatology/EJD. European journal of dermatology” A boy had a rare scalp condition with thickened skin and different-colored hair.
September 2023 in “Journal of the American Academy of Dermatology” Children with alopecia areata, especially with Down syndrome or thyroid issues, should be screened for thyroid disease.
November 2025 in “Archiv für Pathologische Anatomie und Physiologie und für Klinische Medicin” Sporadic trichoblastic neoplasms generally don't recur or spread, with one case showing a specific genetic fusion.
July 2023 in “Journal of allergy and clinical Immunology. Global” A 10-month-old boy with a rare combination of genetic conditions has severe immune deficiency and treatment challenges.
71 citations
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January 2011 in “Journal of cutaneous pathology” A rare skin condition was confirmed to be associated with a specific virus in a young girl.
January 2023 in “Indian dermatology online journal” A boy with Pachyonychia congenita has a confirmed gene mutation, highlighting the need for a local genetic database in India.
13 citations
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November 1985 in “International Journal of Dermatology” The study found clear differences in lesion distribution and microscopic features among trichostasis spinulosa, keratosis pilaris, and eruptive vellus hair cysts.
May 2017 in “The journal of immunology/The Journal of immunology” Patients with certain FoxN1 gene mutations have severe immune issues but normal skin and hair.
8 citations
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January 2011 in “International journal of trichology” Accurate diagnosis of APL is crucial to avoid unnecessary treatments.
9 citations
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January 2012 in “International journal of trichology” Trichostasis spinulosa can be diagnosed with a simple skin biopsy and treated with specific gels, but lesions may return after stopping treatment.
March 2019 in “Nasza Dermatologia Online” A rare scalp condition with hair loss was correctly diagnosed and treated, leading to hair regrowth.
May 2024 in “Australasian journal of dermatology” A man with a type of skin lymphoma had unusual yellowish skin growths despite normal blood lipid levels, and treatment reduced some symptoms but not the growths.
February 2026 in “Journal of Cutaneous and Aesthetic Surgery” Ectopic acanthosis nigricans can occur at surgical sites due to skin graft mismatches.
June 2018 in “Journal of the American Veterinary Medical Association” Three related Persian cats have a rare, likely hereditary skin condition causing hair loss and poor coat quality, with limited treatment options.
July 2025 in “JOURNAL OF CLINICAL AND DIAGNOSTIC RESEARCH” Trichofolliculoma should be considered in children with scalp nodules for accurate diagnosis and treatment.
5 citations
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January 2009 in “International Journal of Trichology” Two siblings had a rare hair condition with banded hair, which doesn't need treatment.
October 2025 in “EMJ Dermatology”