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Comparative Study on the Use of Analytical Software to Identify the Different Stages of Breast Cancer Using Discrete Temperature Data

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Abstract

Breast cancer is the second leading cause of death in women. It occurs when cells in the breast begin to grow out of control and invade nearby tissues or spread throughout the body. The limitations of mammography as a screening modality, especially in young women with denser breasts, necessitated the development of novel and more effective screening strategies with acceptable sensitivity and specificity. The aim of this study was to develop a feasible interpretive software system which was able to detect and classify breast cancer patients by employing techniques of different analytical software. The protocol described uses 6,000 pieces of thermal data collected from 16-sensors, eight placed on the surface of each breast. Data was collected every 5 min for the duration of the test period. Placement of sensors was accomplished with the use of a template design from information provided by the national tumor registry to insure that the information was collected in areas of the breast where most breast cancers develop. Data in this study was collected from 90 individuals exhibiting four different breast conditions, namely: normal, benign, cancer and suspected-cancer. The temperature data collected from these 16 sensors placed on the surface of each breast were fed as inputs to the classifiers. Comparisons were made on five different kinds of classifiers: back-propagation algorithm, probabilistic neural network, fuzzy (Sugeno-type), Gaussian mixture model and support vector machine. These classifiers were able to attain approximately 80% accuracy in classifying the four different diagnoses (normal, benign, cancer and suspected-cancer). Gaussian mixture model was the most sensitive classifier, achieving the highest sensitivity of 94.8%. Support vector machine was considered the best classifier as it was able to produce the most specific and accurate results. Based on these evaluations, this current effort shows the feasibility of applying analytical software techniques together with the real-time functional thermal analysis to develop a potential tool for the detection and classification of breast cancer.

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Authors and Affiliations

  1. School of Mechanical and Aerospace Engineering, College of Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore

    Joanna M. Y. Tan & E. Y. K. Ng

  2. School of Engineering, Division of ECE, Ngee Ann Polytechnic, Singapore, 599489, Singapore

    Rajendra Acharya U.

  3. Department of Obstetrics and Gynecology, Feinberg School of Medicine, Northwestern University, 680 Lake Shore Drive, Suite 1015, Chicago, IL, 60611, USA

    Louis G. Keith

  4. Lifeline Biotechnologies, Inc., 1325 Airmotive Way, Suite 175, Reno, NV, 89502, USA

    Jim Holmes

  5. Adjunct NUH Scientist, Office of Biomedical Research, National University Hospital of Singapore, Singapore, Singapore

    E. Y. K. Ng

Authors
  1. Joanna M. Y. Tan
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  2. E. Y. K. Ng
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  3. Rajendra Acharya U.
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  4. Louis G. Keith
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  5. Jim Holmes
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Correspondence to E. Y. K. Ng.

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Tan, J.M.Y., Ng, E.Y.K., Acharya U., R. et al. Comparative Study on the Use of Analytical Software to Identify the Different Stages of Breast Cancer Using Discrete Temperature Data. J Med Syst 33, 141–153 (2009). https://doi.org/10.1007/s10916-008-9174-4

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  • DOI: https://doi.org/10.1007/s10916-008-9174-4

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