The Role of Endorectal Magnetic Resonance Imaging in Predicting Extraprostatic Extension and Seminal Vesicle Invasion in Clinically Localized Prostate Cancer
박서용, 최한용, 한덕현, 이현무, 권기영, 김정준, 김태헌, 임수현, 박병관, 김찬교,
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박서용 ( Park Seo-Yong )
성균관대학교 의과대학 비뇨기과학교실
최한용 ( Choi Han-Yong )
성균관대학교 의과대학 비뇨기과학교실
한덕현 ( Han Deok-Hyun )
성균관대학교 의과대학 비뇨기과학교실
이현무 ( Lee Hyun-Moo )
성균관대학교 의과대학 비뇨기과학교실
권기영 ( Kwon Ghee-Young )
성균관대학교 의과대학 병리학교실
김정준 ( Kim Jung-Jun )
성균관대학교 의과대학 비뇨기과학교실
김태헌 ( Kim Tae-Heon )
성균관대학교 의과대학 비뇨기과학교실
임수현 ( Lim Soo-Hyun )
성균관대학교 의과대학 비뇨기과학교실
박병관 ( Park Byung-Kwan )
성균관대학교 의과대학 영상의학과
김찬교 ( Kim Chan-Kyo )
성균관대학교 의과대학 영상의학과
KMID : 0358320100510050308
Abstract
Purpose: We aimed to assess the clinical value of endorectal magnetic resonance imaging (MRI) in predicting extraprostatic extension and seminal vesicle invasion in patients with clinically localized prostate cancer.
Materials and Methods: A total of 54 patients who underwent radical prostatectomy for clinically localized prostate cancer were retrospectively analyzed. The findings of endorectal MRI, performed at least 3 weeks after biopsy, were compared with the pathological results of radical prostatectomy specimens. The sensitivity, specificity, and accuracy of the detection of extraprostatic extension and seminal vesicle invasion were calculated.
Results: The sensitivity, specificity, and accuracy of the endorectal MRI findings were 50.0%, 82.6%, and 77.8% for the detection of extraprostatic extension, respectively, and 75.0%, 92.0%, and 90.7% for the detection of seminal vesicle invasion, respectively. The sensitivity of endorectal MRI in the detection of extraprostatic extension improved as the Gleason score increased.
Conclusions: Endorectal MRI findings demonstrated modest sensitivity for predicting extraprostatic extension, whereas specificity was relatively high. In addition, endorectal MRI showed better sensitivity for detecting high-grade tumors.
키워드
Magnetic resonance imaging;Neoplasm staging;Prostatic neoplasms
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