1 citations
,
January 2017 in “International Journal of Dermoscopy” Digital imaging can effectively evaluate the donor area for hair transplants, showing variations in hair density and grouping by age and severity of hair loss.
9 citations
,
June 2014 in “British Journal of Dermatology” The study found that balding scalps have more thin hairs and larger oil glands, which might contribute to skin conditions related to hair loss.
February 2015 in “Dermatologic Surgery” Smaller reticle sizes are as accurate as the standard size for measuring hair density in hair restoration.
Long-term finasteride use may affect sperm structure and chromosomes.
9 citations
,
September 2016 in “Forensic science international” Hair area varies with age and sex, but hair index and medullary index do not.
6 citations
,
January 1981
27 citations
,
April 2011 in “Folia Histochemica et Cytobiologica” DHT deficiency can disrupt cell connections in rat testes, possibly affecting fertility.
7 citations
,
April 2000 in “Archives of Pathology & Laboratory Medicine” October 2021 in “DOAJ (DOAJ: Directory of Open Access Journals)” Trichoscopy effectively distinguishes between severe and mild male pattern hair loss.
9 citations
,
March 2007 in “Hair transplant forum international” Densitometry and video-microscopy are precise for evaluating hair loss and transplant success but need special equipment and training.
September 2009 in “European Urology Supplements” After prostate removal surgery, higher initial prostate size was linked to higher urethral PSA levels and more severe male pattern baldness.
January 2026 in “Frontiers in biomedical technologies” DHT causes thicker and less elastic skin, linked to hair loss.
1 citations
,
April 2021 in “Clinical, Cosmetic and Investigational Dermatology” Conflicting findings in androgenic alopecia are likely due to biopsy location, hair diameter diversity, and hair follicle miniaturization.
17 citations
,
June 2014 in “Journal of Ultrasound in Medicine” Abnormal cuticle and hair shaft medulla cause hair loss in androgenetic alopecia; sonography helps diagnose and manage it.
7 citations
,
April 2000 in “Archives of Pathology & Laboratory Medicine”
February 2024 in “JAAD International” Measuring the variety in hair thickness can help diagnose male pattern baldness in Korean men.
42 citations
,
December 1990 in “The Journal of Dermatologic Surgery and Oncology” The study found that horizontal sections of scalp biopsies are better for analyzing hair loss, showing fewer hairs and more fine hairs in balding areas.
August 2015 in “Europe PMC (PubMed Central)” Using body measurements can help achieve good results in plastic surgery like reshaping the torso, but it doesn't work for all body types.
6 citations
,
January 2016 in “International Journal of Trichology” The conclusion is that more hair loss (androgenetic alopecia) is linked to larger prostate size, suggesting hair loss could be an early sign of benign prostatic hyperplasia.
4 citations
,
November 2011 in “Archives of Dermatology” The photographic method for measuring facial hair density is reliable and valid but needs further testing on different hair densities and skin colors.
2 citations
,
May 2022 in “Clinical, Cosmetic and Investigational Dermatology” Trichoscopy and pathological examination both have unique benefits and cannot completely replace each other in evaluating hair.
20 citations
,
April 2012 in “Fertility and Sterility” Finasteride causes lasting fertility decrease in rats.
47 citations
,
November 2012 in “Wound repair and regeneration” Nude mice with grafted human skin developed scars similar to human hypertrophic scars.
41 citations
,
May 2001 in “PubMed” Different thicknesses of hair strands can indicate the severity of hair thinning.
June 2024 in “Skin Research and Technology” Severe male pattern hair loss is linked to lower hair density in the back of the head.
4 citations
,
January 2006 in “PubMed” DHT deficiency may disrupt rat epididymis function by affecting estrogen receptors.
15 citations
,
September 2014 in “JAMA Dermatology”
15 citations
,
February 2003 in “British Journal of Dermatology” The study suggests computer-assisted analysis of scalp biopsies could improve hair loss diagnosis but needs more validation.
January 2017 in “Indian journal of health sciences and biomedical research KLEU” There is no link between hair loss and prostate enlargement.
March 2018 in “Benha Journal of Applied Sciences” Finger length ratio is not linked to hirsutism or hormone levels.