March 2022 in “Folia Medica Indonesiana” The lump on a woman's scalp was a rare, potentially cancerous tumor from the hair follicle, not a common cyst.
14 citations
,
June 2005 in “PubMed” A rare ear cyst contained hair fragments.
July 2023 in “International journal of physiology” Hypertrichosis lanuginosa causes excessive fine hair growth, often linked to genetics or cancer, with limited treatment options.
17 citations
,
November 1967 in “American Journal of Anatomy” Hairless mice have longer hair follicles and abnormal structures during the catagen phase.
July 2025 in “Clinical Dermatology Review” A rare family case of multiple benign hair follicle tumors was identified, highlighting the need to distinguish them from similar conditions.
18 citations
,
March 2009 in “Experimental Dermatology” Pilomatricoma can develop into various hair-related structures.
January 2026 in “Cosmoderma” A 9-year-old girl has a rare hair disorder causing beaded, sparse hair.
89 citations
,
September 2010 in “Annual Review of Genomics and Human Genetics” The document concludes that understanding the genes and pathways involved in hair growth is crucial for developing treatments for hair diseases.
33 citations
,
September 1987 in “American Journal of Medical Genetics” Uncombable hair is inherited dominantly with complete penetrance.
January 2005 in “Journal of Zhejiang University(Sciences Edition)” Yuyi hairless mice lose hair after birth, develop thick, loose skin with folds, and show disorganized skin structure as they age.
July 2010 in “Journal of Investigative Dermatology” Scientists found gene mutations that affect hair loss, skin stem cells, and skin disorders, and identified drugs that may help treat blood vessel and skin conditions.
2 citations
,
January 2007 in “Actas Dermo-Sifiliográficas” Two cases of hairy elbows syndrome were described, with normal skin texture and symmetrical hair growth.
116 citations
,
April 1986 in “The journal of cell biology/The Journal of cell biology” Trichohyalin is a protein in hair follicles that helps form hair filaments.
7 citations
,
June 2017 in “Journal of Cutaneous Pathology” Cystic panfolliculoma resembles hair follicle tumors due to specific cell interactions.
96 citations
,
December 1995 in “Journal of Investigative Dermatology”
19 citations
,
October 1985 in “British Journal of Dermatology” The document concludes that unruly hair can be congenital or acquired, often lacks specific treatments, and can be managed with oils and short hairstyles.
18 citations
,
January 1992 in “Dermatology” A 4-year-old girl has a rare condition causing hairlessness and skin bumps, but normal teeth and sweating.
5 citations
,
May 2009 in “American Journal of Dermatopathology” A rare hair follicle tumor showed unusual high levels of mucin.
June 2022 in “Journal of Pakistan Association of Dermatologists” Vitiligo may start as small white spots in hair follicles.
90 citations
,
July 1993 in “Journal of Investigative Dermatology” 20 citations
,
July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.
4 citations
,
May 2006 in “médecine/sciences” The hairless gene is crucial for hair health, and its mutations cause hair loss.
September 2016 in “Journal of dermatological science” The OVOL1-OVOL2 axis is important for hair follicle differentiation and can help diagnose certain hair-related tumors.
January 1990 in “The Nishinihon Journal of Dermatology” Follicular structures help differentiate keratoacanthoma from squamous cell carcinoma.
1 citations
,
April 1998 in “PubMed”
12 citations
,
June 2006 in “Anais Brasileiros de Dermatologia” The study found average numbers for different types of hair follicles in the scalp and observed differences between men and women, suggesting reasons for more common hair shedding in women.
July 2026 in “Journal of the American Academy of Dermatology”
November 2023 in “Frontiers in veterinary science” The study provides insights into hair growth mechanisms in yaks.
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.
April 2016 in “Journal of the American Academy of Dermatology” A 4-year-old girl had a rare hair disorder affecting only part of her scalp.