2 citations
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January 1989 in “The Nishinihon Journal of Dermatology” Seborrheic keratosis likely originates from the upper regions of hair follicles.
2 citations
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August 2023 in “Development” Hair follicles in the back of the rosette fancy mouse have reversed orientations due to a gene mutation.
14 citations
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January 1998 in “Dermatology” Polythelia pilosa is a type of extra breast tissue with hair and should be classified as such.
4 citations
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May 2015 in “Indian Journal of Dermatology, Venereology and Leprology” Congenital triangular alopecia can occur outside the typical fronto-temporal region.
12 citations
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January 1991 in “Acta Dermato Venereologica” Basal cell epithelioma-like changes are most similar to normal basal cells.
2 citations
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April 2022 in “Medicine” A Chinese boy's scalp infection from a guinea pig was cured with medication.
May 2015 in “Journal of The American Academy of Dermatology” A heart transplant patient developed a skin condition called epidermodysplasia verruciformis after taking immune-suppressing drugs.
February 2018 in “BMJ case reports” An 18-year-old woman was diagnosed with a rare skin condition called Pityriasis rubra pilaris.
6 citations
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January 2015 in “Indian Dermatology Online Journal” PEODDN is a rare skin disorder with limited treatment options, best treated with laser therapy.
6 citations
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January 1985 in “ACTA HISTOCHEMICA ET CYTOCHEMICA” Tumor cells in calcifying epithelioma of Malherbe resemble hair follicle cells.
8 citations
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July 2014 in “American Journal of Dermatopathology” Cutaneous keratocyst and steatocystoma should be called "sebaceous duct cyst" due to their similarities.
47 citations
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January 1998 in “Molecular Carcinogenesis” ErbB2 signaling is crucial for skin cell growth and cancer development in mice.
18 citations
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May 2006 in “Journal of Cutaneous Medicine and Surgery” Linear lichen planopilaris can affect the trunk, not just the face.
1 citations
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April 2010 in “Expert Review of Dermatology” The document concludes that early diagnosis and treatment are crucial for managing rare hair loss disorders and that more research is needed to improve treatment strategies.
July 2023 in “British journal of dermatology/British journal of dermatology, Supplement” HPV8 E6 gene causes growth of certain skin stem cells.
12 citations
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April 2004 in “PubMed” A rare skin condition in a baby showed unusual fat and hair follicle changes.
December 2021 in “Pathologica” Trichogerminoma is a rare, benign skin tumor from hair cells, with a small risk of becoming cancerous.
40 citations
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June 2013 in “Biomaterials” Scientists created 3D hair-like structures that could help study hair growth and test treatments.
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.
November 2025 in “Cureus” A young man had a rare skin condition causing hair loss and forehead lesions.
52 citations
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June 1991 in “Journal of Virology” The hamster polyomavirus middle T antigen is linked to tumors in hamsters and associates with a specific tyrosine kinase.
20 citations
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August 2003 in “Clinical and Experimental Dermatology” A new genetic mutation in the hairless gene causes a rare hair loss disorder.
September 2021 in “CRC Press eBooks” Lichen planopilaris causes permanent hair loss and scarring due to damage to hair follicles and can be mistaken for other hair loss conditions.
7 citations
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January 2017 in “International Journal of Trichology” Chemotherapy and certain hair care practices can cause severe hair matting.
1 citations
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August 2023 in “Journal of cutaneous pathology” The analysis of a large pilomatricoma revealed five distinct areas with different gene activity related to hair growth and tumor development.
2 citations
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May 2020 in “Journal of the American Academy of Dermatology” Hair shaft changes may be linked to CCCA, but their role is unclear.
5 citations
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July 2013 in “Our Dermatology Online” Lichen planopilaris is the most common type of scarring hair loss observed, with a variety of symptoms and tissue changes.
87 citations
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August 1974 in “Journal of Investigative Dermatology”
March 2025 in “American Journal of Medical Genetics Part A” A rare genetic variant linked to skin cysts was found in blood DNA, suggesting its role in cyst formation.
3 citations
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January 2019 in “Journal of Dermatology” The p.P25L mutation in the KRT5 gene causes a rare skin condition that worsens over time and may lead to hair loss starting in young adulthood.