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

 Seung Hwan Lee  ;  Kyung Kgi Park  ;  Kyung Hwa Choi  ;  Beom Jin Lim  ;  Joo Hee Kim  ;  Seung Wook Lee  ;  Byung Ha Chung 
 WORLD JOURNAL OF UROLOGY, Vol.28(6) : 667-672, 2010 
Journal Title
Issue Date
Adult ; Aged ; Biopsy ; Humans ; Magnetic Resonance Imaging/adverse effects ; Magnetic Resonance Imaging/methods* ; Male ; Middle Aged ; Neoplasm Staging/adverse effects ; Neoplasm Staging/methods* ; Predictive Value of Tests ; Prostate-Specific Antigen/blood ; Prostatic Neoplasms/blood ; Prostatic Neoplasms/pathology* ; Retrospective Studies ; Sensitivity and Specificity
Prostate cancer ; Endorectal MR imaging ; A phased-array coil MR imaging ; Complication
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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1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Urology (비뇨의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Joo Hee(김주희) ORCID logo https://orcid.org/0000-0001-5383-3602
Park, Kyung Kgi(박경기)
Lee, Seung Hwan(이승환) ORCID logo https://orcid.org/0000-0001-7358-8544
Lim, Beom Jin(임범진) ORCID logo https://orcid.org/0000-0003-2856-0133
Chung, Byung Ha(정병하) ORCID logo https://orcid.org/0000-0001-9817-3660
Choi, Kyung Hwa(최경화)
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