December 2022 in “Research Square (Research Square)” This study discusses the development of deep learning models for diagnosing skin disorders and notes challenges such as lack of data for darker skin tones, without providing new clinical results.
May 2020 in “Hair transplant forum international” This article introduces a revised NPRT classification system that includes diverse patterns of hair loss in both men and women, suggesting it as a universal tool for classification and documentation.
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.
26 citations
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April 2010 in “The American journal of dermatopathology/American journal of dermatopathology” This study developed an objective standard grading system for evaluating hair damage using scanning and transmission electron microscopy.
11 citations
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December 2018 in “Journal of Dermatology” This study found that finasteride 1 mg improved hair growth in 85.7% of Korean men with androgenetic alopecia over five years, with varying effectiveness depending on the type of hair loss.
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.
7 citations
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February 2023 in “Journal of Dermatological Treatment” This study concluded that the Scalp Photographic Index is a reliable and validated tool for objectively classifying and scoring various scalp conditions.
4 citations
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May 2002 in “Aesthetic Surgery Journal” This review discusses hair transplantation advances for female alopecia, offering a classification system and various techniques, while emphasizing preoperative evaluation and addressing the psychological impact and expectations of hair restoration in women.
4 citations
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June 2022 in “Clinical, cosmetic and investigational dermatology” In this study, researchers introduced the Sanusi FUE Score Scale to better predict and grade the difficulty of follicular unit excision hair transplantation by accounting for diverse hair and skin types, with further validation needed.
This study introduced a deep learning framework combining multiple convolutional neural networks to detect scalp and hair disorders and classify hair fall stages, reporting higher precision and robustness in detection and classification compared to individual CNN models.
July 2024 in “Journal of Investigative Dermatology” Topical corticosteroids are recommended first for treating pediatric alopecia areata due to safety and ease of use.
2 citations
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March 2019 in “Lasers in surgery and medicine” This study found that human hair follicles demonstrated a dose-dependent response to light in an ex vivo photoepilation model, which could predict the clinical efficacy and permanency of light-based hair removal devices.
September 2020 in “Hair transplant forum international” This article memorializes Dr. O'Tar T. Norwood and highlights his contributions to the field of hair restoration surgery; it does not report new research findings.
September 2020 in “Medicina Moderna - Modern Medicine” This study found that a simple two-step method for preparing platelet-rich plasma produced satisfactory quality at a lower cost compared to many commercial systems, enabling smaller medical institutions to utilize PRP therapy.
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.
January 2016 in “Springer eBooks” This article reviews the classification systems for androgenetic alopecia and reports no new research findings.
1 citations
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January 2017 in “Springer eBooks” The document explains how hair loss patterns in men and women, known as Androgenetic alopecia, are classified using the Hamilton-Norwood system for men and the Ludwig grade system for women.
348 citations
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July 2017 in “Skin appendage disorders” This review discusses the use of platelet-rich plasma in dermatology for various applications such as tissue regeneration and wound healing, but it reports no new clinical results and calls for clearer guidance on suitable treatments.
13 citations
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January 2015 in “Molecular Pharmaceutics” This study suggests that minoxidil may serve as a suitable reference drug for high permeability classification in the Biopharmaceutics Classification System due to its consistent permeability across different intestinal segments and pH levels.
2 citations
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January 2009 in “The Journal of Korean Medicine Ophthalmology and Otolaryngology and Dermatology” This analysis of clinical records found that the highest incidence of alopecia patients visiting a Korean medicine clinic were aged 20-30, with androgenic alopecia being the most common type.
October 2022 in “Hair Transplantation” This review discusses genetic factors and associated diseases linked to androgenetic alopecia but reports no new clinical findings.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This review explores the complex causes and treatment options for alopecia, emphasizing that current therapies mainly offer symptomatic relief, while new advancements like stem cell approaches and improved drug delivery systems show promise for addressing underlying disease mechanisms.
May 2026 in “Zenodo (CERN European Organization for Nuclear Research)” This review highlights that alopecia's complex causes include hormonal, genetic, and environmental factors, and discusses traditional and emerging therapies, suggesting a need for multi-targeted, mechanism-based treatments to improve long-term management and efficacy.
50 citations
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December 1998 in “Dermatologic Surgery” In this study, 42% of healthy men aged 18-49 showed moderate to extensive male pattern hair loss, with prevalence increasing significantly with age.
October 2021 in “Journal of the European Academy of Dermatology and Venereology” This review discusses the significant progress in the diagnosis and treatment of hair loss disorders over the last 30 years and reports no new clinical results.
9 citations
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January 2017 in “International Journal of Trichology” This review discusses various classification systems for male-pattern hair loss, comparing their detail, practicality, and reproducibility, and reports no new clinical outcomes.
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.
January 2018 in “Georg Thieme Verlag eBooks” Hair transplantation is a surgical procedure to move hair to bald areas, requires good donor hair, and results show in about a year.
This article reviews classification systems for androgenetic alopecia in men and women and reports no new research findings.
666 citations
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September 1977 in “British Journal of Dermatology” This article presents a classification system for stages of female-pattern androgenetic alopecia to aid early diagnosis and mentions existing systems for rare male-pattern cases, but reports no new clinical results.