1 citations
,
December 1997 in “Archives of dermatology” A 34-year-old woman had itchy black bumps on her face due to a condition called trichostasis spinulosa.
19 citations
,
March 2016 in “British journal of dermatology/British journal of dermatology, Supplement” Trichodysplasia spinulosa is a rare skin disease in immunocompromised patients caused by a specific virus targeting hair follicle cells.
27 citations
,
October 2002 in “International Journal of Dermatology” Trichostasis spinulosa causes itchy bumps on young adults' skin.
April 2023 in “Australasian Journal of Dermatology” Lentiginous melanoma is most common on the face, especially the nose, cheek, and pre-auricular areas, with men more likely to have it on the scalp, ears, upper back, and trapezius, and women on the cheek and anterior arm. Sun damage is a key factor in its formation.
3 citations
,
December 1989 in “PubMed”
1 citations
,
March 2024 in “Ophthalmic Plastic and Reconstructive Surgery” A pilomatrixoma in the eyebrow can cause hair loss and skin lightening.
12 citations
,
May 2001 in “British journal of dermatology/British journal of dermatology, Supplement” A rare benign skin tumor showed unusual features of sebaceous and sweat glands, important for correct diagnosis.
26 citations
,
April 1996 in “Journal of Investigative Dermatology” February 2022 in “Authorea (Authorea)” PAON shows skin patterns due to genetic mosaicism.
January 2005 in “Journal of Cutaneous Pathology” A new benign nail tumor called onychoblastoma was identified.
3 citations
,
January 1988 in “PubMed” The review found that basal cell carcinomas on the scalp are not more aggressive than those in other locations.
2 citations
,
January 2024 in “Proceedings of the National Academy of Sciences of the United States of America” The research created a detailed map of skin cells, showing that certain cells in basal cell carcinoma may come from hair follicles and could help the cancer grow.
29 citations
,
February 1989 in “Journal of Cutaneous Pathology” A unique hair tumor with a rippled pattern was identified, showing incomplete differentiation and unusual cell arrangements.
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.
37 citations
,
January 2009 in “The Journal of Dermatology” Hair follicle stem cells can turn into various cell types and help repair nerves.
7 citations
,
January 2020 in “Dermatology online journal” An adult with a rare skin condition improved with tazarotene treatment.
1 citations
,
August 2023 in “bioRxiv (Cold Spring Harbor Laboratory)” The research created a detailed map of skin cells, showing that certain cells in basal cell carcinoma may come from hair follicles and could help the cancer grow.
April 2023 in “Authorea (Authorea)” A young woman with a rare skin cancer was diagnosed late because her symptoms were unusual for the disease.
December 2022 in “The journal of pediatrics/The Journal of pediatrics” A young girl's foot lesion was actually a rare condition caused by a hair fragment under the skin, not a parasite.
10 citations
,
January 2018 in “International journal of trichology” Eruptive vellus hair cysts are rare and often misdiagnosed, requiring biopsy for accurate diagnosis.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” The early genes of a specific virus can cause abnormal skin cell growth and hair follicle changes.
September 2023 in “Journal of the American Academy of Dermatology” BAP1 mutations are rare in pediatric melanocytic tumors and may develop later in life.
352 citations
,
August 2003 in “Proceedings of the National Academy of Sciences” Nestin is found in hair follicle progenitor cells, linking them to neural stem cells.
12 citations
,
April 2004 in “PubMed” A rare skin condition in a baby showed unusual fat and hair follicle changes.
56 citations
,
November 1958 in “The Journal of Cell Biology” A unique skin cell similar to hair bulb melanocytes was identified, with better preservation using permanganate fixation.
September 2025 in “OBM Genetics” Early diagnosis and comprehensive management improve life quality for Netherton syndrome patients.
2 citations
,
January 2014 in “Indian dermatology online journal” A person was born with both a rare hairless condition and a type of birthmark, which is an uncommon combination.
July 2025 in “Journal of Investigative Dermatology” March 2022 in “Clinical Cosmetic and Investigational Dermatology” CDKN2AIP gene is less active in nevus sebaceous, affecting related RNA networks.
13 citations
,
January 2012 in “Dermatology” Eruptive vellus hair cysts are rare, benign skin lesions that are hard to treat.