대한의용생체공학회:의공학회지 (Journal of Biomedical Engineering Research)

  • 제31권4호
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  • Pages.285-291
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  • 2010
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  • 1229-0807(pISSN)
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  • 2288-9396(eISSN)
대한의용생체공학회 (The Korean Society of Medical and Biological Engineering)
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3차원 의료영상진단기기를 이용한 가상 전립선 용적 측정

Measurement of Prostate Phantom Volume Using Three-Dimensional Medical Imaging Modalities

  • 성열훈 (가톨릭대학교 의과대학 의공학교실 생체의공학연구소) ;
  • 주용현 (분당서울대학교병원 영상의학과) ;
  • 최보영 (가톨릭대학교 의과대학 의공학교실 생체의공학연구소)
  • Seoung, Youl-Hun (Dept. of Biomedical Engineering, Research Institute of Biomedical Engineering, College of Medicine, The Catholic University) ;
  • Joo, Yong-Hyun (Dept. of Radiology, The Seoul National University Bundang Hospital) ;
  • Choe, Bo-Young (Dept. of Biomedical Engineering, Research Institute of Biomedical Engineering, College of Medicine, The Catholic University)
  • 투고 : 2010.02.22
  • 심사 : 2010.07.20
  • 발행 : 2010.09.30
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초록

Recently, advance on various modalities of diagnosing, prostate volume estimation became possible not only by the existing two-dimension medical images data but also by the three-dimensional medical images data. In this study, magnetic resonance image (MRI), computer tomography (CT) and ultrasound (US) were employed to evaluate prostate phantom volume measurements for estimation, comparison and analysis. For the prostate phantoms aimed at estimating the volume, total of 17 models were developed by using devils-tongue jelly and changing each of the 5ml of capacity from 20ml to 100ml. For the volume estimation through 2D US, the calculation of the diameter with C9-5Mhz transducer was conducted by ellipsoid formula. For the volume estimation through 3D US, the Qlab software (Philips Medical) was used to calculate the volume data estimated by 3D9-3Mhz transducer. Moreover, the images by 16 channels CT and 1.5 Tesla MRI were added by the method of continuous cross-section addition and each of imaginary prostate model's volume was yielded. In the statistical analysis for comparing the availability of volume estimation, the correlation coefficient (r) was more than 0.9 for all indicating that there were highly correlated, and there were not statistically significant difference between each of the correlation coefficient (p=0.001). Therefore, the estimation of prostate phantom volume using three-dimensional modalities of diagnosing was quite closed to the actual estimation.

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참고문헌

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