19 citations
,
September 2011 in “Clinical and Experimental Dermatology” Transverse scalp sections are better for diagnosing non-scarring hair loss, while vertical sections are better for a specific scarring hair loss called lichen planopilaris.
56 citations
,
July 2005 in “Journal of The American Academy of Dermatology” Using both vertical and transverse sections gives a better diagnosis of alopecia than using one method alone.
5 citations
,
November 2017 in “Dermatologica Sinica” Transverse scalp biopsies are more accurate for diagnosing non-cicatricial alopecia, but examining both types is best for accuracy.
February 2009 in “Journal of the American Academy of Dermatology” Transverse sections are better for non-scarring hair loss, vertical sections are better for lichen planopilaris, and either method works for other scarring hair loss types.
71 citations
,
March 1995 in “Journal of The American Academy of Dermatology” Using both vertical and transverse sections for alopecia biopsies improves diagnosis without extra cost.
19 citations
,
December 2001 in “Dermatologic Therapy” Horizontal scalp biopsy sections are better for diagnosing alopecia areata, showing fewer hair follicles and more miniaturized hairs.
9 citations
,
November 2009 in “Journal of the European Academy of Dermatology and Venereology” Cutting scalp biopsies in consecutive slices improves diagnosis of hair loss conditions.
2 citations
,
January 2018 in “DOAJ (DOAJ: Directory of Open Access Journals)” The most effective way to diagnose non-scarring hair loss is by transverse sectioning, and some cases, particularly in males with inflammation around hair follicles, might be curable.
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.
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.
33 citations
,
August 2005 in “The American Journal of Dermatopathology” Both vertical and transverse sections are useful for diagnosing alopecia, but using both methods together is best.
14 citations
,
September 2016 in “Journal of Cutaneous Pathology” The document concludes that new methods improve the accuracy of diagnosing scalp alopecia and challenges the old way of classifying it.
September 2019 in “Human Andrology” Higher serum androgens contribute to male pattern baldness.
35 citations
,
November 2010 in “Journal of Cutaneous Pathology” Dilated follicular infundibula and increased catagen/telogen follicles are key indicators for diagnosing alopecia areata.
24 citations
,
August 2005 in “The American Journal of Dermatopathology” Vertical sections are better than horizontal sections for diagnosing alopecia.
9 citations
,
January 2010 in “International Journal of Trichology” The study found that the cause of alopecia areata can be identified through tissue analysis, and vertical sections are enough for diagnosis.
June 2018 in “Journal of Clinical Periodontology” Finasteride may cause gum side effects in some patients.
309 citations
,
May 1993 in “Journal of The American Academy of Dermatology” Horizontal scalp biopsy sections effectively diagnose and predict MPAA, with follicular density and inflammation impacting hair regrowth.
6 citations
,
March 1982 in “Clinical and Experimental Dermatology” The document says that hair loss in women is often due to androgenic alopecia, similar to male baldness, and that hirsutism is treated with hormonal and cosmetic methods.
16 citations
,
February 2018 in “Journal of The American Academy of Dermatology” Scalp biopsies from dermatomyositis patients show chronic hair loss without scarring, with mucin and blood vessel changes being very common.
4 citations
,
January 2009 in “PubMed” A mutation in the KRT86 gene causes hair fragility in a Turkish family.
5 citations
,
December 2004 in “Dermatology” Two women with very high androgen levels had only slight skin issues, one due to a non-classical adrenal disorder and the other due to an adrenal tumor.
3 citations
,
November 1999 in “Journal of Cutaneous Medicine and Surgery” Examining scalp biopsies in different ways helps better diagnose hair loss types.
2 citations
,
July 2013 in “InTech eBooks” Scalp biopsy helps tell apart permanent and temporary hair loss types and guides treatment.
9 citations
,
June 2008 in “Springer eBooks” Understanding hair follicle structure is key for treating hair disorders and could help develop new treatments.
January 2026 in “International Journal of Nutrology” Hair loss is common after bariatric surgery, especially vertical sleeve gastrectomy, and is linked to emotional distress.
Combining vertical and horizontal sectioning improves scalp biopsy analysis for alopecia.
9 citations
,
January 2019 in “Dermatology Online Journal” Laser-assisted delivery of PRP, with or without bimatoprost and minoxidil, can effectively stimulate hair growth.
1 citations
,
January 2020 in “Egyptian Journal of Dermatology and Venereology” Higher testosterone and DHT levels are linked to hair loss in men, but not to prostate cancer risk.
170 citations
,
December 2009 in “Histopathology” The conclusion is that accurate diagnosis of different types of hair loss requires good teamwork between skin doctors and lab experts.