22 citations
,
May 2002 in “Skin Research and Technology” This study found that in male androgenetic alopecia, the contrast enhanced phototrichogram technique was superior in detecting changes in hair density and thickness compared to other methods.
July 2014 in “Journal of Dermatology” This article discusses phototrichogram education and patient satisfaction in androgenetic alopecia but reports no new clinical findings.
1 citations
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June 2022 in “Journal of The American Academy of Dermatology” Combining scalp photos with hair density and caliber measurements gives a more accurate assessment of hair loss.
16 citations
,
January 2011 in “International Journal of Trichology” This article discusses the principles and considerations of clinical photography for hair disorders in dermatology, reporting no new clinical findings.
This article discusses the role of photography in managing hair loss and highlights its importance for documenting and monitoring changes, but it reports no new clinical results.
February 2022 in “arXiv (Cornell University)” This study introduces a novel method for capturing and digitally rendering the color appearance of physical hair samples using deep neural networks.
1 citations
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March 2014 in “Hair transplant forum international” This abstract discusses the pervasive promotion and marketing of plastic and cosmetic procedures, without reporting any new clinical findings.
November 2019 in “Journal of Vertebrate Biology” QIA-64 software can measure straight wire lengths accurately but needs improvement for curved wires and width measurements.
102 citations
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October 1996 in “Dermatologic Clinics” Photographic documentation crucial for evaluating hair growth in androgenetic alopecia.
5 citations
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May 2001 in “Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE” This study developed a double-wavelength laser scanning microphotometer to measure hair shaft and follicle absorbance, improving spatial resolution and reducing light scattering effects in vitro.
40 citations
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April 2006 in “Journal of the European Academy of Dermatology and Venereology” This study reported that Trichoscan, a computer-assisted hair measurement system, was not supported as accurate for clinical trials due to errors in signal detection, despite its analysis speed.
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 developed a digital tool for quantitatively assessing hair in androgenetic alopecia, achieving an average accuracy of 79.45% for counting hairs and 68.19% for measuring hair size compared to human evaluation.
63 citations
,
February 2003 in “Australasian Journal of Dermatology” This review discusses various methods for measuring scalp hair growth in androgenetic alopecia and reports no new results; the authors suggest that computer-assisted technology has untapped potential.
5 citations
,
March 2017 in “Laser Physics Letters” This review discusses the role of scalp imaging techniques in trichology for researching drug delivery and toxicology, without presenting new clinical results.
7 citations
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April 1999 in “Dermatologic Clinics” High-quality photos help track hair growth progress in androgenetic alopecia patients.
December 2023 in “Modern engineering and innovative technologies” This article explores the theoretical foundations of the ChromaLens Precision Mapping system for analyzing hair, but it does not present any new experimental findings.
1 citations
,
April 2015 in “Current problems in dermatology” The document concludes that the trichogram is a useful tool for diagnosing hair loss and suggests semi-organ cultures for practical trichological research.
12 citations
,
August 2001 in “PubMed” This study found that contrast enhanced phototrichogram (CE-PTG) significantly improved detection of various hair types and growth stages in androgenetic alopecia compared to standard PTG and was comparable to biopsy analysis.
28 citations
,
December 2002 in “Der Hautarzt” TrichoScan accurately measures hair growth and loss, showing increased hair counts and thickness with treatment.
5 citations
,
January 2018 in “Skin Research and Technology” This letter compares automated digital image analysis (TrichoScan) with manual marking of hairs in male patients with androgenetic alopecia but reports no new results.
31 citations
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August 2001 in “PubMed” This study found that the TrichoScan method detected significant increases in hair counts and cumulative hair thickness in men after finasteride treatment, suggesting its potential for monitoring hair treatment responses.
November 2019 in “Hair transplant forum international” This study found that the SketchAndCalc tablet application offers an easy, rapid, and accurate method for measuring recipient areas in hair restoration, particularly excelling in accuracy for long and narrow shapes.
1 citations
,
July 2023 in “Journal of the European Academy of Dermatology and Venereology” 12 citations
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May 2012 in “Journal of Biomedical Optics” In this study, Trichoscan®, reflectance confocal microscopy, and optical coherence tomography were found to be reliable noninvasive tools for measuring hair growth and follicle analysis after hair removal.
September 1998 in “Journal of The European Academy of Dermatology and Venereology” Phototrichogram helps assess hair loss severity.
This review discusses recent advances in noninvasive hair imaging technologies, such as global photography, trichoscopy, reflectance confocal microscopy, and optical coherence tomography, highlighting their potential to improve hair diagnostics and treatment monitoring, while also outlining their clinical applications and limitations.
14 citations
,
July 2007 in “International Journal of Cosmetic Science” This study found that a new 3D image analysis method from SEM images enables quick and accurate measurement of cuticle scale heights in hair fibers.
3 citations
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July 2003 in “PubMed” This study found that laser-based goniophotometry can effectively monitor changes in hair surface reflection related to color and cuticle cell tilt across different ethnic origins.
4 citations
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August 2024 in “Clinical and Experimental Dermatology” The researchers presented new, practical photography protocols for hair loss assessment that clinicians can use even without formal medical photography units, aiming to standardize high-quality imaging in both clinical and research settings.