40 citations
,
April 2006 in “Journal of the European Academy of Dermatology and Venereology” The Trichoscan system was found to be inaccurate for measuring hair growth, needing better software to be useful.
14 citations
,
April 1976 in “Journal of Cutaneous Pathology” A calcified nodule on a boy's face came from hair follicles and expelled calcium through the skin.
2 citations
,
March 1994 in “Oncology Reports” Keratoacanthomas and squamous cell carcinomas have similar keratin patterns, making them hard to tell apart.
5 citations
,
March 2023 in “Journal of the European Academy of Dermatology and Venereology” Trichoscopy can help identify systemic diseases, not just hair and scalp issues.
April 2020 in “Journal of the Endocrine Society” A woman's high testosterone and related symptoms were caused by overactive cells in her ovaries.
Surgery can cause skin cysts in dogs.
3 citations
,
May 2023 in “Pediatric Dermatology” A 9-year-old boy had a rare scalp condition usually seen in young men.
11 citations
,
August 2016 in “Journal of the European Academy of Dermatology and Venereology” Serial trichoscopy is more reliable than the modified hair pull test for tracking alopecia areata.
2 citations
,
June 2016 in “PubMed” An 11-year-old girl with compulsive hair pulling was successfully treated with therapy and medication.
August 2025 in “Dermatopathology” Pilomatricomas are often linked to genetic syndromes, especially Apert syndrome, and genetic analysis is crucial for diagnosis.
1 citations
,
January 2016 in “Revista Brasileira de Higiene e Sanidade Animal” Combining lab tests with clinical observations is crucial for diagnosing hormonal skin issues in dogs.
May 2022 in “European medical journal” An 11-year-old girl with Trichotillomania developed a large hairball in her stomach, treated with medication, therapy, and family education.
2 citations
,
September 1998 in “Der Hautarzt” A gene mutation causes a rare hereditary hair loss, offering potential for new treatments.
335 citations
,
March 2004 in “Development” Temporary activation of β-catenin can create new hair follicles, but ongoing activation is needed to keep hair follicle tumors.
January 2011 in “The Chinese Journal of Dermatovenereology” The woman's skin condition improved with specific oral and topical treatments.
July 2001 in “Pediatrics in review” The girl's increased hair growth and other symptoms were due to a hormone-secreting ovarian tumor, which was successfully treated with surgery.
6 citations
,
December 1997 in “Journal of The American Academy of Dermatology” CTE can distort results in hair growth trials, so exclude it carefully.
29 citations
,
April 1997 in “Developmental Dynamics” Trypsin slows hair growth and affects color by causing cell death in hair follicles.
June 2022 in “Journal of The European Academy of Dermatology and Venereology” Microneedling with topical dutasteride improves hair growth in men with hair loss and is safe to use.
6 citations
,
January 2017 in “Dermato-endocrinology” ADT-G may be a useful indicator of increased androgen levels in women with acne and can be lowered with certain birth control pills.
31 citations
,
March 2017 in “Journal of The American Academy of Dermatology” Some breast cancer patients developed permanent hair loss after chemotherapy and hormonal therapy, showing patterns similar to common baldness and alopecia areata.
1 citations
,
December 2018 in “Journal of cutaneous pathology” Some skin growths with mucin can form hair follicles and resemble skin cancer, but a special stain can help tell them apart.
February 2009 in “Journal of The American Academy of Dermatology” Female hair loss can be diagnosed using specific trichoscopy criteria.
1 citations
,
July 2022 in “BMC Women s Health” An ovarian tumor can cause high male hormones in postmenopausal women.
2 citations
,
January 2018 in “International Journal of Trichology” Two sisters had a rare hair condition without other usual symptoms.
November 2022 in “JAAD case reports” A man with skin and hair symptoms improved partially with specific treatment.
2 citations
,
July 2024 in “Indian Journal of Dermatology” Adults with alopecia areata often have empty follicular openings, while children show more honeycomb pigment patterns.
26 citations
,
October 2002 in “Journal of Investigative Dermatology” A specific gene mutation causes congenital hair loss.
1 citations
,
July 2009 in “Journal of dermatology” A 29-year-old man had a jaw plaque diagnosed as follicular mucinosis, linked to nestin-positive hair follicle stem cells.
3 citations
,
January 2017 in “Dermatology online journal” Dermoscopy helped diagnose a rare hair disorder in a 2-year-old boy.