June 2024 in “Annals of Medicine and Surgery” A 23-year-old Syrian woman has two rare hair disorders, and avoiding hair treatments plus using vitamins and minoxidil may help.
May 2025 in “Journal of the ASEAN Federation of Endocrine Societies” A woman's increased hair growth during pregnancy due to PCOS resolved after delivery.
47 citations
,
August 2000 in “Endocrine Reviews” The document concludes that more research is needed to understand excessive hair growth in women with normal hormone levels and regular ovulation.
3 citations
,
February 2022 in “Canadian Medical Association Journal” Severe hypothyroidism can cause eyebrow hair loss, but improves with thyroid hormone treatment.
94 citations
,
October 1994 in “The Journal of Cell Biology” Too much keratin 16 in mice skin causes abnormal skin thickening and structure.
108 citations
,
July 2002 in “Molecular and cellular biology” Overexpressing Dsg3 in mice skin causes excessive cell growth and abnormal skin development.
April 2019 in “Journal of the Endocrine Society” A woman's severe insulin resistance improved with treatment, but she still had high testosterone levels due to ovarian issues.
May 2022 in “Experimental dermatology” Trichothiodystrophy hair is structurally abnormal with protein and organization issues.
December 2014 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Hair removal with intense pulsed light can cause rare skin lesions that are hard to fully treat.
4 citations
,
January 2014 in “International Journal of Trichology” A 12-year-old boy with a rare genetic condition has progressive hair loss with no effective treatment.
1 citations
,
January 2018 in “Journal of Gynecologic Surgery” Removing both ovaries can treat increased testosterone and related symptoms in postmenopausal women with ovarian hyperthecosis.
June 2023 in “Dermatology online journal” A person with thyroid problems had rare, swollen, bald spots on their scalp caused by a condition usually found on the shins.
August 2025 in “Skin Appendage Disorders” Topical minoxidil can help improve hair in trichonodosis.
November 1993 in “PubMed” High levels of androgens can cause skin issues like acne, hair loss, and excessive hair growth.
36 citations
,
August 2011 in “Experimental Dermatology” Eccrine sweat gland's clear cells likely cause excessive sweating in hyperhidrosis.
Targeting androgen receptors in the skin is the most effective treatment for hyperandrogenism-related skin issues.
11 citations
,
August 2019 in “PubMed” Hirsutism in women is mostly caused by polycystic ovary syndrome and idiopathic hyperandrogenism.
3 citations
,
November 2020 in “Cleveland Clinic Journal of Medicine” Eyelash loss can be a sign of thyroid problems.
50 citations
,
February 2016 in “Journal of Investigative Dermatology” A mutation in the KRT25 gene causes a rare hair disorder with thin, woolly hair.
88 citations
,
March 2004 in “Journal of Investigative Dermatology” October 2023 in “BMJ Case Reports” Thyroid hormone therapy effectively treated the man's rare muscle and heart issues.
13 citations
,
January 1985 in “International Journal of Dermatology” The document found differences in lesion distribution and microscopic features among trichostasis spinulosa and similar skin conditions.
33 citations
,
December 1982 in “Developmental Medicine & Child Neurology” Hair-shaft abnormalities can indicate neurological disorders, some of which are treatable.
6 citations
,
February 2016 in “American Journal of Dermatopathology” The boy with woolly hair nevus had thinner hair and abnormal hair follicles, which improved with treatment but worsened when treatment stopped.
April 2005 in “CRC Press eBooks” Excessive androgens in women with polycystic ovary syndrome can lead to excessive hair growth and hair loss, but this might not fully explain these conditions.
5 citations
,
February 2016 in “Sultan Qaboos University medical journal” The patient had a severe itchy rash and hair loss in the armpits.
2 citations
,
January 2018 in “Sovremennye problemy nauki i obrazovaniâ” Hirsutism and acanthosis nigricans are important for diagnosing PCOS; dermatologists play a key role in early detection and treatment.
42 citations
,
October 2004 in “Experimental and Clinical Endocrinology & Diabetes” The main cause of excessive hair growth in Turkish women is Polycystic ovary syndrome, but in about one fifth of cases, the reason for high male hormone levels is unknown.
2 citations
,
December 2013 in “Journal of dermatology” A specific gene mutation causes a rare hair loss condition in a Chinese patient.
23 citations
,
December 1977 in “Virchows Archiv B Cell Pathology”