47 citations
,
November 1966 in “Archives of Dermatology” Trichorrhexis nodosa is mainly caused by hair trauma, not a metabolic defect.
1947 citations
,
September 1995 in “New England journal of medicine/The New England journal of medicine” PCOS is a common hormonal disorder causing irregular periods and increased hair growth, linked to insulin resistance and long-term health issues.
14 citations
,
May 2014 in “Archives of plastic surgery” The position of the parietal whorl can predict safe donor areas for hair transplants in Korean men with male pattern baldness.
235 citations
,
July 1999 in “Journal of biological chemistry/The Journal of biological chemistry” Human hair is made up of different keratins, some strong and some weak, with specific types appearing at various stages of hair growth.
Hair dysplasias involve various hair disorders causing fragility, breakage, and poor hair adhesion.
2 citations
,
February 2009 in “Clinical and Experimental Dermatology” A man had rare skin tumors with bone formation and cholesterol deposits.
30 citations
,
August 2005 in “British journal of dermatology/British journal of dermatology, Supplement” A specific gene mutation causes hair loss and potential eye issues, even if vision seems normal.
2 citations
,
June 2017 in “Journal of The American Academy of Dermatology” The type of PCOS a woman has doesn't strongly predict her skin or metabolic symptoms; obesity is a more important factor.
5 citations
,
January 2017 in “Arquivos Brasileiros de Oftalmologia” A rare genetic disorder causes sparse hair and vision loss due to a CDH3 gene mutation.
352 citations
,
January 2006 in “The Journal of Clinical Endocrinology and Metabolism” Most women referred for excess male hormone symptoms had polycystic ovary syndrome (PCOS), with other conditions being less common.
130 citations
,
April 2003 in “Journal of Investigative Dermatology” Four specific keratins in hair follicles help understand hair structure and function.
Hirsutism is excessive male-pattern hair growth in women, often treated cosmetically or with hormone therapy if contraception is also desired.
4 citations
,
February 2011 in “Annals of internal medicine” The document concludes that Polycystic Ovary Syndrome is a commonly underdiagnosed hormonal disorder in women, diagnosed by specific criteria.
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.
43 citations
,
September 2001 in “Annals of Neurology” Hair root analysis can effectively detect somatic mosaicism in double cortex syndrome.
August 2025 in “International Journal of Contemporary Pediatrics” HLD10 can include increased body hair and Mongolian spots.
44 citations
,
January 2011 in “Journal of Cutaneous Pathology” The HoVert technique is a simple, cost-effective new method that improves alopecia diagnosis by allowing detailed analysis from a single biopsy.
18 citations
,
December 2010 in “The Journal of Steroid Biochemistry and Molecular Biology” Increased HSD11B1 enzyme expression is linked to higher body fat and insulin resistance.
47 citations
,
September 2012 in “Human molecular genetics online/Human molecular genetics” Folliculin deficiency causes problems with cell division and positioning due to disrupted RhoA signaling and interaction with p0071.
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.
1 citations
,
July 2022 in “Dermatology practical & conceptual” Square-shaped hair loss can occur after treating a brain aneurysm due to localized radiation exposure.
4 citations
,
April 1983 in “The Journal of Dermatology” A 15-year-old girl with hypothyroidism had excess hair and skin issues due to blocked hair follicles.
3 citations
,
June 2022 in “European journal of human genetics” A new type of pachyonychia congenita linked to a specific keratin gene mutation was found in two Pakistani families.
12 citations
,
May 2009 in “Ophthalmic plastic and reconstructive surgery” Multiple pilomatrixoma may indicate Turner syndrome.
45 citations
,
May 2012 in “CRC Press eBooks” The book helps doctors better understand and treat hair disorders due to gaps in their training.
October 2024 in “Journal of the Endocrine Society” Early detection of ovarian steroid cell tumors is crucial to prevent lasting symptoms.
264 citations
,
October 1958 in “Archives of Dermatology” A 4-year-old girl has a rare hair condition causing fragile, short hair.
5 citations
,
January 2018 in “Interdisciplinary sciences: computational life sciences” Accurate protein modeling can help develop new treatments for prostate cancer and other diseases.
August 2025 in “Brazilian Journal of Hair Health” Hair-related body dysmorphic disorder is common in hair loss patients and needs early recognition for proper treatment.
January 2005 in “Journal of Cutaneous Pathology” The hair erector muscle is involved in various skin conditions and disorders.