Diagnosis of breast cancer using Bayesian networks: A case study

  • Authors:
  • Nicandro Cruz-Ramírez;Héctor Gabriel Acosta-Mesa;Humberto Carrillo-Calvet;Luis Alonso Nava-Fernández;Rocío Erandi Barrientos-Martínez

  • Affiliations:
  • Facultad de Física e Inteligencia Artificial, Universidad Veracruzana, Sebastián Camacho 5, Col. Centro, C. P. 91000 Xalapa, Veracruz, Mexico;Facultad de Física e Inteligencia Artificial, Universidad Veracruzana, Sebastián Camacho 5, Col. Centro, C. P. 91000 Xalapa, Veracruz, Mexico;Facultad de Ciencias, Universidad Nacional Autónoma de México, Circuito Exterior Ciudad Universitaria, Mexico;Instituto de Investigaciones en Educación, Universidad Veracruzana, Diego Leño 8, Col. Centro, C. P. 91000 Xalapa, Veracruz, Mexico;Facultad de Física e Inteligencia Artificial, Universidad Veracruzana, Sebastián Camacho 5, Col. Centro, C. P. 91000 Xalapa, Veracruz, Mexico

  • Venue:
  • Computers in Biology and Medicine
  • Year:
  • 2007

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Abstract

We evaluate the effectiveness of seven Bayesian network classifiers as potential tools for the diagnosis of breast cancer using two real-world databases containing fine-needle aspiration of the breast lesion cases collected by a single observer and multiple observers, respectively. The results show a certain ingredient of subjectivity implicitly contained in these data: we get an average accuracy of 93.04% for the former and 83.31% for the latter. These findings suggest that observers see different things when looking at the samples in the microscope; a situation that significantly diminishes the performance of these classifiers in diagnosing such a disease.