EfficientNet improves accuracy in diagnosing hair loss stages.
1 citations
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September 2016 in “Hair transplant forum international” This article proposes enhancing the Norwood-Hamilton scale for assessing hair loss patterns but reports no new clinical results.
March 2026 in “Frontiers in Medicine” This study suggests that traditional classification systems for pattern hair loss, while useful in the past, have limitations in accuracy and reproducibility, and highlights the potential of integrating digital imaging and AI to create more precise and biologically informed classification frameworks.
4 citations
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October 2012 in “Archives of Dermatology” Hair diameter diversity is a key sign for diagnosing and managing male pattern baldness.
October 2021 in “DOAJ (DOAJ: Directory of Open Access Journals)” In this hospital-based cross-sectional study, researchers observed that trichoscopy effectively differentiates between severe and mild male pattern hair loss by identifying specific features such as yellow and white dots, vellus hair, and hair shaft diversity.
July 2007 in “Faculty Opinions – Post-Publication Peer Review of the Biomedical Literature” This study introduced the BASP classification, a new system for categorizing pattern hair loss in both men and women, and applied it to analyze 2213 Korean subjects.
November 2009 in “Hair transplant forum international” This article discusses the use of the Hamilton and Norwood system by hair restoration surgeons to classify stages of androgenetic alopecia and presents no new clinical results.
March 2023 in “Civil Medical Journal” This observational study found that 37% of male patients with androgenetic alopecia had a history of preceding COVID-19 infection, suggesting a potential link between the two.
June 2023 in “Aesthetic Plastic Surgery” This study introduces the PRECISE scale, a quantitative tool to classify androgenetic alopecia, aiming to improve planning and outcomes for hair transplantation surgeries by evaluating the whole hairless and thinning areas.
1 citations
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April 2020 in “Magnetic Resonance in Medical Sciences” This study aimed to determine if MRI can assess anatomical changes in the scalp caused by androgenetic alopecia, but it reports no new clinical results.
October 2020 in “Journal of Pakistan Association of Dermatology” This study found that platelet-rich plasma therapy was more effective in increasing hair count than topical 5% minoxidil lotion in men with androgenetic alopecia.
May 2023 in “Bali Medical Journal” This study found a very strong positive correlation between sebum levels and the severity of androgenetic alopecia in men.
19 citations
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December 2008 in “Medical Journal of Australia” This study found no significant association between the degree of male-pattern baldness and serum 25-hydroxyvitamin D levels in healthy middle-aged and older men.
5 citations
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July 2000 in “Southern Medical Journal” This review discusses available treatments for androgenetic alopecia in men, like finasteride and 5% minoxidil, and notes that hair growth results are unpredictable and often driven by industry-sponsored studies.
2 citations
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August 2020 in “Journal of The American Academy of Dermatology” This letter discusses existing research and encourages further studies on the relationship between androgenetic alopecia and COVID-19 severity, reporting no new clinical results.
32 citations
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December 2004 in “BMC Public Health” This study found that trained observers using the Hamilton-Norwood classification were very reliable in assessing balding patterns, while men's self-assessments were moderately accurate compared to observers.
January 2020 in “International journal of scientific research” Dermoscopy shows that varying hair shaft thickness and single hair follicles are main signs of male pattern baldness, especially in the fronto-temporal region.
73 citations
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March 2009 in “Seminars in Cutaneous Medicine and Surgery” This article reviews various diagnostic tools for hair disorders, describing methods ranging from invasive to noninvasive, but reports no new research findings or clinical results.
32 citations
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July 2020 in “Journal of The American Academy of Dermatology” This study noted that among hospitalized COVID-19 patients, androgenetic alopecia was prevalent, and severe cases were associated with adverse outcomes such as respiratory failure, highlighting a possible link with androgen sensitivity.
29 citations
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July 2020 in “Journal of The American Academy of Dermatology” In this study, researchers found that severe androgenic alopecia in hospitalized men was associated with a higher likelihood of testing positive for COVID-19.
1 citations
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December 2018 in “Journal of Cosmetic Dermatology” In this study, androgenetic alopecia patients with thin hair were found to have a higher likelihood of experiencing prostatic enlargement and related urinary symptoms compared to those with thicker hair.
January 2024 in “International Ayurvedic medical journal” This study explores how Ayurveda concepts, specifically Prakruti, relate to male pattern baldness, suggesting that individual constitutional types may predict susceptibility to earlier hair loss when influenced by modern lifestyle factors.
August 2019 in “Journal of The American Academy of Dermatology” No link found between hair loss severity and PSA levels in men.
101 citations
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January 2016 in “Journal of Cutaneous and Aesthetic Surgery” This review discusses various classification systems for patterned hair loss in both sexes and reports no new clinical findings, highlighting the Hamilton-Norwood and Ludwig systems as the most commonly used.
103 citations
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June 2007 in “Endocrinology and Metabolism Clinics of North America” This article discusses treatment options for androgenetic alopecia, noting that medical interventions like finasteride and minoxidil can halt and partially reverse hair loss in mild to moderate cases, especially when combined with surgery.
48 citations
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May 2015 in “PLOS ONE” This study found that a genetic test using 5 to 20 SNPs can predict male pattern baldness with variable accuracy in European men, especially those aged 50 and older.
4 citations
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November 2011 in “Archives of Dermatology” Hamilton scale imprecise, hair shaft diameter decreases, stem cell transplant regrows hair, ECP ineffective for alopecia areata universalis.
6 citations
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May 2006 in “Skinmed” This article reviews the classification history of androgenic alopecia and highlights the need for further research to find effective hair growth medications.
August 2020 in “The American Journal of Cosmetic Surgery” This study found that hair transplant surgery significantly reduced anxiety scores in bald patients over an average period of 12.7 months.
4 citations
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January 2013 in “European Journal of Dermatology” Epigenetic differences affect hair loss in identical Japanese male twins.