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Correlation Between Pharmacokinetic Analysis of DCE-MRI and Breast Image Reporting and Data System (BIRADS) Classification

Published: 15 October 2020 Publication History
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  • Abstract

    To determine if pharmacokinetic information derived from dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) could improve the diagnostic value of breast disease. A total of thirty-six female patients (range, 30-70 years, mean 48.1±12.6 years) confirmed BIRADS 3~6 underwent DCE-MRI were retrospectively recruited to this study. Modified two-compartment Tofts model and Brix mode were used to obtain relevant tracer kinetic parameters. Mann-Whitney U-test was used to compare the parameters between the BIRADS 3 and 4, BIRADS 4 and 5, BIRADS 5 and 6, respectively. A P value of less than 0.05 was considered to indicate a significant difference. In evaluating significance between BIRADS 3 and BIRADS 4, the statistical analysis showed that Brix-kep (P=0.014), ABrix (P<0.001), TTP (P=0.022) were independent factors associated with the discrepancy. All kinetic parameters we calculated were independent factors associated with the discrepancy between BIRADS 4 and BIRADS 5. ABrix (AUC=0.915) do have a good discriminative power between BIRADS 3 and 4. Tofts-kep (AUC= 0.952), ABrix (AUC= 0.990) do have a good discriminative power between BIRADS 4 and 5.The numeric values of Brix-kep, Brix-kel, ABrix, Tofts-ktrans, Tofts-kep and Slope were higher in high grades (BIRADS 5 and BIRADS 6) than in low grades (BIRADS 3 and BIRADS 4) tumors. ABrix have a good discriminative power between BIRADS 3 and 4. Tofts-kep, ABrix do have a good discriminative power between BIRADS 4 and 5. No significant difference between BIRADS 5 and 6.

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    1. Correlation Between Pharmacokinetic Analysis of DCE-MRI and Breast Image Reporting and Data System (BIRADS) Classification

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      ICMHI '20: Proceedings of the 4th International Conference on Medical and Health Informatics
      August 2020
      316 pages
      ISBN:9781450377768
      DOI:10.1145/3418094
      Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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      Published: 15 October 2020

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      Author Tags

      1. BIRADS classification
      2. Breast cancer
      3. Computer aided diagnosis
      4. Dynamic Contrast-enhanced MRI
      5. Pharmacokinetic model

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