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Prediction of prostate cancer extracapsular extension with high spatial resolution dynamic contrast-enhanced 3-T MRI.

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Title: Prediction of prostate cancer extracapsular extension with high spatial resolution dynamic contrast-enhanced 3-T MRI.
Authors: Bloch BN (AUTHOR), Genega EM (AUTHOR), Costa DN (AUTHOR), Pedrosa I (AUTHOR), Smith MP (AUTHOR), Kressel HY (AUTHOR), Ngo L (AUTHOR), Sanda MG (AUTHOR), Dewolf WC (AUTHOR), Rofsky NM (AUTHOR), Bloch, B Nicolas1 (AUTHOR), Genega, Elizabeth M (AUTHOR), Costa, Daniel N (AUTHOR), Pedrosa, Ivan (AUTHOR), Smith, Martin P (AUTHOR), Kressel, Herbert Y (AUTHOR), Ngo, Long (AUTHOR), Sanda, Martin G (AUTHOR), Dewolf, William C (AUTHOR), Rofsky, Neil M (AUTHOR)
Source: European Radiology. Oct2012, Vol. 22 Issue 10, p2201-2210. 10p.
Abstract: Objectives: To assess the value of dynamic contrast-enhanced (DCE) combined with T2-weighted (T2W) endorectal coil (ERC) magnetic resonance imaging (MRI) at 3 T for determining extracapsular extension (ECE) of prostate cancer.Methods: In this IRB-approved study, ERC 3-T MRI of the prostate was performed in 108 patients before radical prostatectomy. T2W fast spin-echo and DCE 3D gradient echo images were acquired. The interpretations of readers with varied experience were analysed. MRI-based staging results were compared with radical prostatectomy histology. Descriptive statistics were generated for prediction of ECE and staging accuracies were determined by the area under the receiver-operating characteristic curve.Results: The overall sensitivity, specificity, positive predictive value and negative predictive value for ECE were 75 %, 92 %, 79 % and 91 %, respectively. Diagnostic accuracy for staging was 86 %, 80 % and 91 % for all readers, experienced and less experienced readers, respectively.Conclusions: ERC 3-T MRI of the prostate combining DCE and T2W imaging is an accurate pretherapeutic staging tool for assessment of ECE in clinical practice across varying levels of reader experience.Key Points: • Endorectal coil (ERC) magnetic resonance imaging is widely used for imaging prostatic disease. • ERC 3-T MRI is reasonably accurate for local prostate cancer staging. • High diagnostic accuracy is achievable across different levels of reader experience. • MRI facilitates therapeutic decisions in patients with prostate cancer. [ABSTRACT FROM AUTHOR]
Copyright of European Radiology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Prediction of prostate cancer extracapsular extension with high spatial resolution dynamic contrast-enhanced 3-T MRI.
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  Data: <searchLink fieldCode="JN" term="%22European+Radiology%22">European Radiology</searchLink>. Oct2012, Vol. 22 Issue 10, p2201-2210. 10p.
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  Data: <bold>Objectives: </bold>To assess the value of dynamic contrast-enhanced (DCE) combined with T2-weighted (T2W) endorectal coil (ERC) magnetic resonance imaging (MRI) at 3 T for determining extracapsular extension (ECE) of prostate cancer.<bold>Methods: </bold>In this IRB-approved study, ERC 3-T MRI of the prostate was performed in 108 patients before radical prostatectomy. T2W fast spin-echo and DCE 3D gradient echo images were acquired. The interpretations of readers with varied experience were analysed. MRI-based staging results were compared with radical prostatectomy histology. Descriptive statistics were generated for prediction of ECE and staging accuracies were determined by the area under the receiver-operating characteristic curve.<bold>Results: </bold>The overall sensitivity, specificity, positive predictive value and negative predictive value for ECE were 75 %, 92 %, 79 % and 91 %, respectively. Diagnostic accuracy for staging was 86 %, 80 % and 91 % for all readers, experienced and less experienced readers, respectively.<bold>Conclusions: </bold>ERC 3-T MRI of the prostate combining DCE and T2W imaging is an accurate pretherapeutic staging tool for assessment of ECE in clinical practice across varying levels of reader experience.<bold>Key Points: </bold>• Endorectal coil (ERC) magnetic resonance imaging is widely used for imaging prostatic disease. • ERC 3-T MRI is reasonably accurate for local prostate cancer staging. • High diagnostic accuracy is achievable across different levels of reader experience. • MRI facilitates therapeutic decisions in patients with prostate cancer. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of European Radiology is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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