Objective Hair Shaft Diameter Measurement From Trichoscopic Images Using Intensity Profile Analysis

    August 2026 in “ Cureus ”
    Jesús Iván Martínez-Ortega, Frida Itzel Rosas-Lezama
    Studysummary This technical report outlines a new standardized method using Fiji (ImageJ) to objectively measure hair shaft diameter from trichoscopic images, demonstrating successful analysis in a single-image proof-of-concept study.
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    Research cited in this study 7

    1. Trichoscopy of Androgenetic Alopecia: A Systematic Review Journal of clinical medicine · 2024
    2. The Dermatoscope in the Hair Clinic: Trichoscopy of Scarring and Nonscarring Alopecia Journal of the American Academy of Dermatology · 2023
    3. Trichoscopic Diagnosis of Structural Hair Defects in a Clinical Setting: A Cross-Sectional Analytical Study Skin Pharmacology and Physiology · 2022
    4. Deep Learning-Based Trichoscopic Image Analysis and Quantitative Model for Predicting Basic and Specific Classification in Male Androgenetic Alopecia Acta dermato-venereologica · 2021
    5. Update on Trichoscopy: Integration of Terminology by Systematic Approach and Proposal of a Diagnostic Flowchart The Journal of Dermatology · 2021
    6. Evaluation of Hair Density and Hair Diameter in the Adult Thai Population Using Quantitative Trichoscopic Analysis BioMed Research International · 2020
    7. Contribution of Hair Density and Hair Diameter to the Appearance and Progression of Androgenetic Alopecia in Japanese Men British Journal of Dermatology · 2014