Prostate Cancer: Detection of Extracapsular Extension by Genitourinary and General Body Radiologists at MR Imaging

  • Mullerad M
  • Hricak H
  • Wang L
 et al. 
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Abstract

PURPOSE: To determine whether predictive value of endorectal magnetic resonance (MR) imaging findings in detection of prostate cancer extracapsular extension (ECE) is significantly affected by the reader's subspecialty experience. MATERIALS AND METHODS: In this cohort study, 344 consecutive patients with biopsy-proved prostate cancer underwent endorectal MR imaging followed by surgery. Likelihood of ECE described in MR imaging reports was compared with clinical predictor variables. ECE was determined from the final pathologic report on specimens resected at surgery. Readers of MR images were classified into genitourinary MR imaging radiologists (n = 4) and general body MR imaging radiologists (n = 6). For data analysis, Wilcoxon rank sum and chi(2) tests, as well as receiver operating characteristic (ROC) curves and univariate and multivariate logistic regression analyses, were used. A difference with P

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Authors

  • Michael Mullerad

  • Hedvig Hricak

  • Liang Wang

  • Hui-Ni Chen

  • Michael W. Kattan

  • Peter T. Scardino

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