16 citations
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July 2008 in “BMC Genomics” Alpha 6 + /MHCI - cells have stem cell traits and are similar to mouse hair follicle stem cells.
January 2011 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Bald men with male pattern baldness still have hair stem cells, but lack certain cells needed to grow hair.
3 citations
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February 2017 in “The American journal of dermatopathology/American journal of dermatopathology” Sarcoidosis can mimic other skin disorders, making diagnosis challenging.
12 citations
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November 2011 in “Pediatric dermatology” A 16-year-old boy had a rare case of Becker's nevus on his face and mouth.
April 2023 in “Journal of Investigative Dermatology” The study found that aging hair follicle stem cells change behavior, leading to hair loss, but drugs targeting these cells may help restore hair growth.
January 2019 in “SAGE Open Medical Case Reports” A scalp biopsy revealed systemic amyloidosis in a woman who initially seemed to have a common hair loss condition.
November 1997 in “Open Archive (Karolinska Institutet)” PTCH gene mutations contribute to basal cell carcinoma development.
10 citations
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June 1999 in “Veterinary Dermatology” Two cows had a rare hair disorder causing hair loss but were otherwise healthy.
November 2011 in “APMIS. Acta pathologica, microbiologica et immunologica Scandinavica./APMIS” Polyomavirus A2 infection in newborn mice caused hair follicle tumors.
23 citations
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September 2014 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Laser treatments are the most effective for porokeratotic adnexal ostial nevus.
5 citations
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August 2021 in “Experimental dermatology” Overexpressing Merkel cell virus proteins in human hair follicles can create clusters of cells that resemble Merkel cell cancer.
10 citations
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January 2018 in “International journal of trichology” Eruptive vellus hair cysts are rare and often misdiagnosed, requiring biopsy for accurate diagnosis.
1 citations
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January 2019 in “Acta dermato-venereologica” The woman's skin and hair symptoms were confirmed as frontal fibrosing alopecia, and while facial papules are common in such cases, there's no effective local treatment, but systemic treatments can help.
January 2022 in “Consultant” The man's occipital hair loss was due to temporal triangular alopecia, not alopecia areata.
1 citations
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April 2016 in “Journal of The American Academy of Dermatology” The study concludes that Loose Anagen Hair Syndrome is a benign condition that usually improves with age but can be hard to diagnose and stressful for the family.
5 citations
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May 2013 in “The American Journal of Dermatopathology” The author now believes tricholemmal carcinoma is a rare type of infundibular squamous cell carcinoma and more research is needed on these tumors.
November 2025 in “SKIN The Journal of Cutaneous Medicine” Granuloma faciale can occur on the scalp, especially in people with advanced hair loss, and may improve with treatment.
53 citations
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April 1985 in “Developmental Biology” Fibronectin and other basement membrane components increase during hair growth and decrease during rest.
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.
1 citations
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November 2024 in “Journal of Cutaneous Pathology” Rare skin cancer can mimic hair loss conditions, so thorough diagnosis is crucial.
3 citations
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July 2024 in “Dermatology and Therapy” Hair shaft abnormalities can help distinguish mycosis fungoides from other skin conditions.
7 citations
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July 2006 in “Journal of cutaneous pathology” A 21-year-old had a rare developmental anomaly with a misplaced sebaceous gland in a hair follicle.
2 citations
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January 2016 in “Dermatology online journal” A 46-year-old man was diagnosed with frontal fibrosing alopecia, a condition usually seen in postmenopausal women.
November 2017 in “International journal of research in dermatology” A rare skin disorder, nevus comedonicus, can appear on one side of the body following Blaschko's lines.
January 2025 in “Turkiye Klinikleri Journal of Ophthalmology” Pilomatrixoma is a rare, harmless tumor near the eyebrow in kids, best treated with surgery.
September 2022 in “Scientific Reports” Scalp melanoma is more common and easier to diagnose early in people with androgenetic alopecia due to sun damage.
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.
December 2012 in “Expert review of dermatology” New findings suggest the protein linked to Birt–Hogg–Dubé syndrome is important in cell signaling and could affect treatment understanding.
207 citations
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July 2006 in “Development” MTS24 marks a new type of skin cell that helps hair growth and repair.
1 citations
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January 1995 in “Skin Cancer” Immunohistochemistry helps accurately identify and differentiate malignant trichilemmoma.