Detection of Melanoma Skin Cancer by Elastic Scattering Spectra: A Proposed Classification Method

Document Type: Original Paper

Authors

1 1.Medical physicist, Medical laser research center,ACECR 2. Laser &Plasma Research institute, Shahid Beheshti University

2 PhD, Professor of medical physics, Institute of advanced technologies in medicine (IAMT), Research Center for Science and Technology in Medicine (RCSTIM), Tehran University of Medical Sciences

3 assistant professor of dermatology, Medical Laser Research Center, Iranian Center for Medical Lasers (ICML), Academic Center for Education, Culture and Research (ACECR)

4 MSc of medical physics, Institute of advanced technologies in medicine (IAMT), Research Center for Science and Technology in Medicine (RCSTIM), Tehran University of Medical Sciences,

Abstract

Introduction: There is a strong need for developing clinical technologies and instruments for prompt tissue assessment in a variety of oncological applications as smart methods. Elastic scattering spectroscopy (ESS) is a real-time, noninvasive, point-measurement, optical diagnostic technique for malignancy detection through changes at cellular and subcellular levels, especially important in early diagnosis of invasive skin cancer, melanoma. In fact, this preliminary study was conducted to provide a classification method for analyzing the ESS spectra. Elastic scattering spectra related to the normal skin and melanoma lesions, which were already confirmed pathologically, were provided as input from an ESS database.
Materials and Methods: A program was developed in MATLAB based on singular value decomposition and K-means algorithm for classification.
Results: Accuracy and sensitivity of the proposed classifying method for normal and melanoma spectra were 87.5% and 80%, respectively.
Conclusion: This method can be helpful for classification of melanoma and normal spectra. However, a large body of data and modifications are required to achieve better sensitivity for clinical applications.

Keywords

Main Subjects


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Volume 14, Issue 3
September and October 2017
Pages 162-166
  • Receive Date: 15 January 2017
  • Revise Date: 15 March 2017
  • Accept Date: 23 April 2017