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Quantitative Visualization and Detection of Skin Cancer Using Dynamic Thermal Imaging
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A computer-based method for precise detection and calculation of affected skin areas.

Sille Mølvig Henriksen1, Janus Damm Nybing2, Rasmus Bouert3

  • 1Department of Neurology, Copenhagen University Hospital, Bispebjerg, Copenhagen NV, Denmark.

Clinical Physiology and Functional Imaging
|July 15, 2015
PubMed
Summary

This study presents a reproducible method for measuring skin area changes, crucial for tracking dermatologic conditions and evaluating nerve block effectiveness. The technique minimizes individual body surface area variations for accurate documentation.

Keywords:
clinical photointerindividual applicationphantom studyreliabilityskin area estimation

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Area of Science:

  • Dermatology
  • Medical Imaging
  • Quantitative Analysis

Background:

  • Standardized measurement of skin area extension is needed for reproducible dermatologic assessments.
  • Existing methods are affected by individual body surface area variations.
  • A validated technique is required for accurate and comparable results.

Purpose of the Study:

  • To describe and validate a method for reproducible skin area measurement.
  • To ensure measurements are unaffected by individual body surface area differences.
  • To provide a tool for documenting dermatologic conditions and evaluating treatments.

Main Methods:

  • Utilized a human torso phantom with irregular areas simulating skin extension.
  • Employed flexible calques paper for shape tracing by five clinicians (60 copies total).
  • Captured digital photographs with a clinical ruler and analyzed using ImageJ software.

Main Results:

  • Achieved a low interobserver variation of 0.36% in area measurements.
  • Observed a slight underestimate of 2.52% compared to exact area sizes.
  • Noted that measurement discrepancies increase with smaller measured areas.

Conclusions:

  • The developed method is accurate, reproducible, and user-friendly.
  • This technique aids in documenting psoriasis and other dermatologic conditions.
  • It is also valuable for assessing ultrasound-guided peripheral nerve blocks.