45 citations
,
January 2012 in “International Journal of Trichology” This study reported that trichoscopy is a more effective diagnostic tool than the trichogram for early diagnosis of FAGA, regardless of hair shaft diversity cut-off levels.
5 citations
,
November 2009 in “Revista médica de Chile” This study confirms that scalp hair follicles in Chilean subjects exhibit seasonal variations, with a higher percentage of follicles in the telogen (resting) phase during the summer compared to the winter.
January 2026 in “Skin Appendage Disorders” This study concluded that including intermediate hairs or using relative shaft diameter methods can significantly improve the sensitivity of trichograms in diagnosing female androgenetic alopecia, aligning better with histopathology results.
May 2021 in “Pakistan Journal of Medical and Health Sciences” This review discusses how trichoscopy is becoming a preferred non-invasive diagnostic tool over trichograms for evaluating hair disorders, although it reports no clinical results.
May 2013 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” Trichoscopy is better than trichogram for diagnosing early female hair loss.
7 citations
,
January 2009 in “Indian Journal of Dermatology Venereology and Leprology” Hair changes may indicate disease activity in pemphigus patients.
1 citations
,
May 2018 in “jurnal veteriner” This study concluded that among the three diagnostic techniques for detecting Demodex mites in dogs, the scraping technique provided the best diagnostic value.
February 2025 in “Buletin Veteriner Udayana” In this study, therapy successfully resolved mite infections in a domestic cat, leading to improved skin and ear health, including reduced crusting and itchiness, and cleaner ears after 15 days.
March 2021 in “CRC Press eBooks” This review discusses the importance of physical examinations in trichology, emphasizing their role in diagnosing conditions like alopecia and hair dystrophies, and reports no new clinical results.
May 2017 in “InTech eBooks” This article describes various hair and scalp examination techniques, including noninvasive, semi-invasive, and invasive methods, noting that trichoscopy is a simple, well-accepted, noninvasive technique for evaluating hair loss patients and monitoring treatment.
This review discusses the use of hair microscopy in diagnosing hair-related conditions, highlighting techniques and common applications, but presents no new experimental results.
This study observed telogenic defluvium and dystrophic hair loss in patients with nutritional deficits, with reversible damage when diet improves and stress is alleviated.
February 2026 in “Veterinary Dermatology” This study found that Pomeranians with Alopecia X had fewer follicles per group, more fragile hair, and distinct hair cycle stages compared to non-alopecic Pomeranians, highlighting coat-type differences significant for diagnosing the condition.
January 2024 in “Lecture notes in networks and systems” In this study, a system was developed utilizing advanced image processing to analyze hair and scalp conditions, aiding professionals in diagnosing diseases like alopecia and monitoring treatment by extracting and comparing key parameters from microscopic images.
90 citations
,
October 1983 in “British Journal of Dermatology” This study found that individuals with androgenic alopecia have an increased number of thin hairs (less than 40 microns in diameter) per cm², which may affect their clinical appearance.
January 2018 in “Communications in computer and information science” This study developed a novel system that can automatically estimate hair loss parameters from images without expert input, reporting satisfactory results from testing on samples collected in Kolkata.
January 2023 in “Journal of Veterinary and Animal Sciences” In this study of dogs with mucocutaneous lesions caused by various dermatological conditions, the researchers observed notable changes in haemato-biochemical parameters and trichographic features, including anaemia, elevated platelet counts, and significant telogen phase hair involvement.
July 2026 in “International Journal of Clinical & Experimental Dermatology” This exploratory pilot study reported that using a 2% Oleosome-FGF-2 fusion extract scalp serum twice daily for 84 days in women with telogen effluvium and brittle hair improved hair density, anagen/telogen ratio, hair shaft thickness, and scalp hydration compared to a placebo.
7 citations
,
January 2001 in “PubMed” This study found that vitamin B6 injections over several weeks improved hair condition and reduced hair loss in some women with diffuse alopecia, while calcium pantothenate had no clear positive effect.
46 citations
,
October 2009 in “Archives of Dermatology” This study found that loose anagen hair syndrome is a common form of alopecia in young girls, typically presenting with thin, sparse hair and usually confirmed by a hair-pull test.
45 citations
,
October 2009 in “Dermatology” This study observed that long-term recombinant interferon alpha-2b therapy was associated with considerable hair loss in some patients, indicated by a telogen effluvium pattern on trichograms.
41 citations
,
July 2002 in “Clinical and Experimental Dermatology” This review evaluates hair growth measurement methods for human scalp hair, suggesting that combining highly resolutive analytical approaches with global calibrated methods is recommended for assessing hair changes in clinical settings.
37 citations
,
January 2009 in “Dermatology” This study reports that hair growth and shedding in healthy women show annual seasonal patterns, with the highest shedding in summer and a less pronounced peak in spring.
35 citations
,
January 2014 in “BioMed Research International” This review examines the epidemiology, pathogenesis, clinical manifestations, and diagnosis of female pattern hair loss and reports no new results.
35 citations
,
January 1993 in “International Journal of Dermatology” In this study, most hair disorders among HIV-1 positive patients were associated with low helper T cell counts, with papulosquamous conditions like seborrheic dermatitis and psoriasis being the most common.
26 citations
,
March 1986 in “Clinical and Experimental Dermatology” Scalp hair grows at 0.37 mm/day, forearm hair at 0.18 mm/day, and thigh hair at 0.30 mm/day, with no significant differences found in people with certain hair conditions.
23 citations
,
June 1993 in “PubMed” This study found that a vitamin B-group and L-cystine combination therapy improved hair quality and growth in women with diffuse effluvia, with one formulation showing greater efficacy than another and both performing better than placebo.
20 citations
,
December 1997 in “Clinical Endocrinology” This article discusses the potential beneficial effect of spironolactone on androgenic alopecia but provides no new clinical findings.
13 citations
,
February 1999 in “International Journal of Cosmetic Science” This study observed a higher incidence of telogen effluvium from July to October, suggesting a summer-related effect in populations above the Tropic of Cancer, possibly influenced by ultraviolet light.
12 citations
,
June 2009 in “Journal of Cosmetic Dermatology” This study reports the first cases of loose anagen hair syndrome in dark-skinned children from Upper Egypt, noting it may be under-diagnosed and primarily causes cosmetic concerns without affecting general health.