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Published on: October 17, 2016
Analysis of human skin tissue by millimeter-wave reflectometry
1Eindhoven University of Technology, Eindhoven, The Netherlands. p.f.m.smulders@tue.nl
Summary
Millimeter-wave reflectometry can differentiate skin tissue by measuring reflection coefficients, crucial for determining water content. This technique shows promise for early skin cancer detection and wound monitoring, even through bandages.
Area of Science:
- Biomedical Engineering
- Electromagnetics
- Dermatology
Background:
- Human skin analysis requires precise water content determination for various medical applications.
- Millimeter-wave reflectometry offers a non-invasive method for in vivo skin assessment.
- Investigating skin-tissue differentiation is key to understanding its diagnostic potential.
Purpose of the Study:
- To evaluate millimeter-wave reflectometry for in vivo human skin analysis.
- To assess the feasibility of skin-tissue differentiation using this technique.
- To investigate the impact of probe pressure, air gaps, and bandages on measurement accuracy.
Main Methods:
- Reflection coefficients were measured in the 40-60 GHz range across different skin locations.
- The magnitude and phase of reflection coefficients were quantified to assess effects.
- The capability for tissue differentiation was numerically evaluated.
Main Results:
- Skin tissue differentiation is achievable via reflection coefficient magnitude when no air gap is present.
- Probe pressure significantly influences phase measurements.
- Air gaps degrade differentiation capability, while bandages have minimal impact.
Conclusions:
- Millimeter-wave reflectometry holds significant potential for accurate skin water content determination.
- This technique may enable early skin cancer detection.
- Through-bandage monitoring of wounds is a promising application.
