44 citations
,
August 2008 in “Archives of Dermatology” Trichoscopy is a non-invasive way to diagnose hair and scalp problems without needing hair samples.
July 2014 in “Journal of the Portuguese Society of Dermatology and Venereology” Trichoscopy is useful for diagnosing and monitoring hair and scalp conditions.
38 citations
,
November 2005 in “The journal of investigative dermatology. Symposium proceedings/The Journal of investigative dermatology symposium proceedings” Understanding normal hair follicle development helps analyze abnormalities in mutant mice.
6 citations
,
February 2020 in “Journal of Cutaneous Pathology” Nevus psiloliparus lacks mature hair follicles but keeps other skin structures intact.
January 2022 in “Revista Dermatológica Centro Uraga” Monilethrix is a genetic hair disorder affecting hair shape, seen in two brothers.
8 citations
,
March 2023 in “BMC Research Notes” Laser-capture microdissection effectively analyzes hair follicle microbiomes, revealing region-specific bacterial differences.
3 citations
,
June 2023 in “Cureus” Pilomatricomas should be considered to avoid misdiagnosis in children with unusual skin tumors.
8 citations
,
May 2005 in “The American journal of dermatopathology/American journal of dermatopathology” The hair defect is due to abnormal inner root sheath keratinization.
2 citations
,
August 2008 in “Journal of Liaquat University of Medical & Health Sciences” A painless cheek lump was misdiagnosed but found to be a rare, benign skin lesion called pilomatrixoma, treatable by surgery.
Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.
13 citations
,
January 2012 in “International journal of trichology” The study found that hair fragility in Pili annulati may be caused by cavities and damage within the hair shafts.
93 citations
,
May 1990 in “The EMBO Journal” Mice with extra sheep genes had hair that fell out and regrew in cycles.
5 citations
,
September 2012 in “Journal of Investigative Dermatology” Scientists can mimic hair disorders by altering genes in lab-grown human hair follicles, but these follicles lack some features of natural ones.
9 citations
,
January 2011 in “American Journal of Dermatopathology” Pilomatrixoma involves abnormal hair keratin production and cell death, causing debris and cysts.
October 2015 in “CRC Press eBooks” Trichoscopy is a useful tool for examining and monitoring hair and scalp conditions.
45 citations
,
December 2004 in “Forensic Science International” Laser microdissection helps get DNA from single hair follicles for better forensic analysis.
8 citations
,
October 2024 in “Developmental Cell” 10 citations
,
January 1925 in “Archives of Dermatology” Trichostasis spinulosa is a rare skin condition with hair-filled plugs in hair follicles.
September 2016 in “Journal of Dermatological Science” Björnstad syndrome causes twisted hair from birth.
68 citations
,
August 2012 in “Journal of the American Academy of Dermatology” Dermatoscopy is a useful tool for diagnosing hair disorders and can help choose samples for more detailed analysis.
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.
32 citations
,
September 1996 in “Archives of Dermatological Research” 6 citations
,
September 1996 in “Archives of Dermatological Research” May 2023 in “Pharmaceuticals” Three specific mutations in the LIPH gene can cause hair loss by damaging the protein's structure and function.
14 citations
,
May 1979 in “International Journal of Dermatology” Trichostasis spinulosa mainly affects the nose, with many tiny hairs in one follicle, possibly influenced by hormones and sunlight.
12 citations
,
May 2009 in “Ophthalmic plastic and reconstructive surgery” Multiple pilomatrixoma may indicate Turner syndrome.
14 citations
,
January 1998 in “Dermatology” Polythelia pilosa is a type of extra breast tissue with hair and should be classified as such.
January 2008 in “The Internet Journal of Plastic Surgery” Thorough cleaning and hair removal are essential to effectively treat and prevent recurrent pilonidal sinus.
December 2025 in “BMC Medical Genomics” Hair follicles can be used to study gene expression and understand conditions like COPD.
33 citations
,
June 2017 in “Developmental Biology” Mice can correct hair follicle orientation without certain genes, but proper overall alignment needs those genes.