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[Phototrichogram. Adaptation, standardization and applications].

J Friedel1, F Will, E Grosshans

  • 1Clinique Dermatologique, Faculté de Médecine de l'Université Louis-Pasteur, Strasbourg, France.

Annales De Dermatologie Et De Venereologie
|January 1, 1989
PubMed
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Standardized phototrichogram provides reliable quantitative data for assessing hair loss severity. This technique improves upon traditional methods, offering reproducible results for clinical trials and patient evaluation in alopecia research.

Area of Science:

  • Dermatology
  • Trichology
  • Medical Imaging

Context:

  • Current methods like trichograms lack quantitative precision for hair loss evaluation.
  • Assessing alopecia severity and treatment efficacy requires more reliable diagnostic tools.
  • Standardization is crucial for comparable and reproducible hair growth studies.

Purpose:

  • To standardize the phototrichogram technique for accurate hair loss assessment.
  • To introduce a novel optical equipment with a rigid frame and microtattoo for precise scalp area analysis.
  • To define five quantitative parameters for evaluating hair density, cycle, growth rate, and diameter.

Summary:

  • A standardized phototrichogram technique using specialized optical equipment and microtattooing is presented.

Related Experiment Videos

  • This method allows for precise measurement of hair implantation density, telogen percentage, growth rate, mean anagen diameter, and percentage of fine hair.
  • Quantitative data obtained from this technique are more reliable for evaluating hair loss severity and therapeutic trials.

    • Impact:

    • Enables more accurate and reproducible quantitative assessment of hair loss.
    • Facilitates reliable evaluation of therapeutic interventions for alopecia.
    • Advances the field of trichology by providing a standardized diagnostic tool for hair research.