• Medicine
  • Published in
    Nihon Igaku Hoshasen Gakkai…
    1995

[Differential diagnosis of solitary pulmonary nodules by computerized statistical analysis using CT number].

@article{Mitani1995DifferentialDO,
  title={[Differential diagnosis of solitary pulmonary nodules by computerized statistical analysis using CT number].},
  author={Masami Mitani and Katashi Satoh and Akira Tachikawa and Hitoshi Takashima and Motoomi Ohkawa and Mikiko Tanabe},
  journal={Nihon Igaku Hoshasen Gakkai zasshi. Nippon acta radiologica},
  year={1995},
  volume={55 7},
  pages={
          493-500
        }
}
There have been previous reports on the differentiation of benign pulmonary nodules from malignant ones using CT number. However, most of the nodules were without calcification, and diagnosis could be made only in limited cases. In the present study we established new multiple variables such as relative high density over the 75th percentile, inner gradient number (inner irregular rate), edge gradient number (edge irregular rate) and increased area rate (IAR). They are automatically calculated… CONTINUE READING

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