December 2022 in “Biochemical and Biophysical Research Communications” HtrA2 activity is crucial for normal hair growth by regulating fat cell development.
January 2018 in “Indian Dermatology Online Journal” A child with Olmsted syndrome showed mild improvement in hair and skin issues with treatment.
18 citations
,
July 2010 in “Journal of the American Academy of Dermatology” Folliculotropic mycosis fungoides can look like alopecia areata.
June 2025 in “British Journal of Dermatology” Segmented hair color changes can indicate active alopecia areata.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” Hair growth cycles need varied signals in space and time.
9 citations
,
January 1975 in “PubMed” Nude mice are hairless due to a shared defect affecting both skin and thymus, not just thymic issues.
6 citations
,
November 2008 in “Hair transplant forum international” Using a special knife helps improve hairline scars from surgery.
12 citations
,
March 1981 in “International Journal of Dermatology” External factors like certain shampoos, bacterial infections, and parasites might cause hair defects similar to genetic conditions.
Hair transplantation can restore underarm hair after surgery, despite challenges.
1 citations
,
July 2021 in “Curēus” A child had a rare case of scarring hair loss with skin disease, which is hard to treat and stressful.
January 2015 in “Dermatology online journal” A man with total hair loss also developed a rare nail condition, likely due to autoimmune issues.
5 citations
,
February 2022 in “Molecular genetics & genomic medicine” New gene variants linked to a rare inherited hair loss disorder were found in three Chinese families.
2 citations
,
June 1989 in “Archives of Dermatology” A black pore on a man's cheek was a hair follicle tumor and was removed.
April 2025 in “Indian Journal of Dermatology” A rare, benign facial tumor called fibrofolliculoma was successfully treated with surgery.
12 citations
,
March 2011 in “Pediatric dermatology” An 18-year-old girl was diagnosed with a rare hereditary hair loss condition, despite no family history.
The naked mutation in mice causes hair loss and helps identify keratin genes.
October 2025 in “Diagnostics” Temporal triangular alopecia is a harmless, non-progressive hair loss condition.
June 2014 in “The Journal of Dermatology” A patient with a rare chromosome condition also had a rare type of hair loss.
July 2022 in “The journal of investigative dermatology/Journal of investigative dermatology” The early genes of a specific virus can cause abnormal skin cell growth and hair follicle changes.
27 citations
,
February 2006 in “International Journal of Dermatology” Some children and young adults with eyebrow and eyelash hair loss actually have a hair-pulling disorder, often with related psychological issues.
35 citations
,
April 2008 in “Journal of Biological Chemistry” Hirosaki hairless rats lack hair due to missing DNA with key keratin genes.
13 citations
,
January 2011 in “International Journal of Trichology” CTA is often mistaken for AA but doesn't respond to steroids and may require hair transplantation.
February 2026 in “Pediatric Dermatology”
197 citations
,
June 2009 in “American journal of human genetics” WNT10A mutations often cause ectodermal dysplasias, with males showing more tooth issues than females.
August 2021 in “Acta medica Philippina” A girl's hair loss was found to be caused by both a hair-pulling disorder and another hair loss condition.
January 2024 in “Diagnostic cytopathology” Trichilemmal carcinoma can spread to the parotid gland and be diagnosed using fine-needle aspiration cytology.
5 citations
,
January 2018 in “Acta Dermatovenerologica Alpina Pannonica et Adriatica” Congenital atrichia with papular lesions causes permanent hair loss in children.
1 citations
,
August 1981 in “The Journal of Dermatology” All major hair defects involve cuticle abnormalities.
December 1972 in “Archives of Dermatology” The girl has an inflammatory type of scarring hair loss.
1 citations
,
December 2024 in “Journal of Maxillofacial and Oral Surgery” FUE is better than FUT for mustache reconstruction in cleft lip patients.