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World Journal of Urology

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01-12-2010 | Original Article

Is endorectal coil necessary for the staging of clinically localized prostate cancer? Comparison of non-endorectal versus endorectal MR imaging

Authors: Seung Hwan Lee, Kyung Kgi Park, Kyung Hwa Choi, Beom Jin Lim, Joo Hee Kim, Seung Wook Lee, Byung Ha Chung

Published in: World Journal of Urology | Issue 6/2010

Abstract

Purpose

The goal of this study was to compare the diagnostic use and safety of endorectal coil (ERC) MRI with those of phased-array coil MRI.

Methods

We retrospectively included 91 consecutive patients who had undergone 1.5-T MRI with ERC or with phased-array coil MRI before radical prostatectomy at our institution. We compared 47 patients’ phased-array coil MRI and 44 patients’ ERC-MRI with histologic findings. We also evaluated adverse events following the MRI procedure.

Results

The serum PSA levels ranged from 2.85 to 33.51 ng/mL (10.72 ± 1.9), and the median Gleason score was 7 (range 4–9). The mean interval between diagnostic prostate biopsy and staging MRI was 18.4 days (range 2–37). In assessing organ-confined disease, extracapsular extension and seminal vesicle invasion by MRI, there were no significant differences between ERC-MR group and phased-array coil MR group. The AUC values were 0.671 (95% CI 0.530–0.813) for ERC-MR and 0.657 (95% CI 0.503–0.811) for phased-array coil MR. No significant differences were found between the two groups (p = 0.24). Five patients (11.4%) developed rectal complications after ERC-MRI. However, no complications were found in phased-array coil MRI group.

Conclusions

In terms of diagnostic accuracy and comfort of patients, the use of ERC-MRI did not significantly improve the staging of prostate cancer and presented several complications. Therefore, phased-array coil MRI is a better alternative considering comorbidity.

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Title: Is endorectal coil necessary for the staging of clinically localized prostate cancer? Comparison of non-endorectal versus endorectal MR imaging
Authors: Seung Hwan Lee
Kyung Kgi Park
Kyung Hwa Choi
Beom Jin Lim
Joo Hee Kim
Seung Wook Lee
Byung Ha Chung
Publication date: 01-12-2010
Publisher: Springer-Verlag
Published in: World Journal of Urology / Issue 6/2010
Print ISSN: 0724-4983
Electronic ISSN: 1433-8726
DOI: https://doi.org/10.1007/s00345-010-0579-6

At a glance: The STEP trials

Springer Medicine

Is endorectal coil necessary for the staging of clinically localized prostate cancer? Comparison of non-endorectal versus endorectal MR imaging

Abstract

Purpose

Methods

Results

Conclusions

At a glance: The STEP trials

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusions

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