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Related Experiment Video

Updated: May 17, 2026

Continuous-wave Thulium Laser for Heating Cultured Cells to Investigate Cellular Thermal Effects
09:49

Continuous-wave Thulium Laser for Heating Cultured Cells to Investigate Cellular Thermal Effects

Published on: June 30, 2017

Fascia-Level Temperature Kinetics During Multi-Wavelength Diode Laser Irradiation: A Cadaveric Study.

Kyu-Ho Yi1, Yerin Park2, Hugues Cartier3

  • 1You and I Clinic, Seoul, Republic of Korea.

Journal of Cosmetic Dermatology
|May 16, 2026
PubMed
Summary

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Multi-wavelength diode laser treatments for body contouring show varied fascia-level heat propagation across anatomical regions. Thicker subcutaneous fat correlates with slower heat arrival at the fascia, influencing treatment outcomes.

Area of Science:

  • Biomedical Engineering
  • Dermatology
  • Aesthetics

Background:

  • Noninvasive body contouring commonly utilizes thermal energy-based technologies.
  • Quantitative data on fascia-level heat propagation during multi-wavelength diode laser irradiation in human tissues is limited.

Purpose of the Study:

  • To assess fascia-level temperature kinetics and regional deep-plane heating patterns.
  • Investigate heat propagation during stacking delivery of a multi-wavelength diode laser in human cadaver tissues.

Main Methods:

  • Human cadaver tissues (abdomen, anterior thigh, lateral upper arm) were irradiated with a multi-wavelength diode laser.
  • Subcutaneous fat thickness was measured via ultrasonography.
  • Fascia-level temperature was recorded using thermocouples, and infrared thermography captured surface temperatures.
Keywords:
cadaveric studyfascia‐level temperature kineticsmulti‐wavelength diode lasernoninvasive body contouringsubcutaneous fat thickness

Related Experiment Videos

Last Updated: May 17, 2026

Continuous-wave Thulium Laser for Heating Cultured Cells to Investigate Cellular Thermal Effects
09:49

Continuous-wave Thulium Laser for Heating Cultured Cells to Investigate Cellular Thermal Effects

Published on: June 30, 2017

Main Results:

  • Heat reached the muscle fascia fastest in the anterior thigh (4.9s), followed by the lateral upper arm (5.3s), and slowest in the abdomen (6.6s).
  • Regional differences in fascial arrival time were statistically significant (p=0.049).
  • Exposed-field thermographic peak temperatures ranged from 65°C-72°C across regions.

Conclusions:

  • Fascia-level thermal behavior during diode laser irradiation varies significantly by anatomical region.
  • Increased subcutaneous fat thickness was linked to slower fascial heat arrival but did not fully account for regional variations.
  • Findings are descriptive and do not establish volumetric heat distribution, histologic injury, or in vivo safety thresholds.