Qing Zhang1, Wei Wang1, Bing Zhang2, Jong Shi3, Yao Fu3, Danyan Li2, Suhan Guo4, Shengjie Zhang1, Haifeng Huang1, Xuping Jiang5, Weimin Zhou5, Hongqian Guo6. 1. Department of Urology, Drum Tower Hospital, Medical School of Nanjing University, Institute of Urology, Nanjing University, 321 Zhongshan Rd., Nanjing, 210008, Jiangsu, People's Republic of China. 2. Department of Radiology, Drum Tower Hospital, Medical School of Nanjing University, Nanjing, 210008, Jiangsu, People's Republic of China. 3. Department of Pathology, Drum Tower Hospital, Medical School of Nanjing University, Nanjing, 210008, Jiangsu, People's Republic of China. 4. School of Public Health, Nanjing Medical University, Nanjing, 210029, Jiangsu, People's Republic of China. 5. Department of Urology, The Affiliated Yixing People's Hospital of Jiangsu University, Yixing, 214200, Jiangsu, People's Republic of China. 6. Department of Urology, Drum Tower Hospital, Medical School of Nanjing University, Institute of Urology, Nanjing University, 321 Zhongshan Rd., Nanjing, 210008, Jiangsu, People's Republic of China. dr.ghq@nju.edu.cn.
Abstract
OBJECTIVES: To prospectively compare biopsy outcomes between free-hand transperineal mpMRI/TRUS fusion targeted biopsy (TB) and transperineal systematic biopsy (SB) in patients with first prostate biopsy. PATIENTS AND METHODS: In all, 224 consecutive patients with the suspicion of PCa were investigated. All patients were evaluated by 3.0-T mpMRI applying the ESUR criteria. All patients underwent free-hand transperineal mpMRI/TRUS fusion TB and additionally a transperineal SB. Pathological findings of TB, SB, and step-sectioned RP specimens were analyzed. RESULTS: The median age of the patients was 69 (40-85) years, median PSA level was 10.05 (3.61-78.39) ng/mL, and median prostate volume was 45.5 (22-77) mL. Overall, the PCa detection rate was 50.45% (113/224). TB detected significantly more cancer [44.2% (99/224) vs. 34.8% (78/224); P = 0.001] and clinically significant PCa [75.75% (75/99) vs. 62.82% (49/78); P = 0.005] than SB. For the upgrading of Gleason score, 39.74% (31/78), more clinically significant PCa was detected by using additional TB than by SB alone. Conversely, 5.05% (5/99) more clinically significant PCa was found by SB in addition to that by TB. The location of 96.67% (58/60) and Gleason score of 60% (36/60) of TB-proven ITs were correctly identified, as corroborated by RP specimens. The median IT volume was 1.125 (0.21-19.87) ml on MRI and 1.41 (0.13-9.56) ml in RP specimens. CONCLUSIONS: Free-hand transperineal mpMRI/TRUS fusion biopsy was associated with a higher detection rate of clinically significant PCa while taking fewer cores. Moreover, this technique can reliably predict the location, and relatively reliably predict cancer volume and Gleason score of ITs.
OBJECTIVES: To prospectively compare biopsy outcomes between free-hand transperineal mpMRI/TRUS fusion targeted biopsy (TB) and transperineal systematic biopsy (SB) in patients with first prostate biopsy. PATIENTS AND METHODS: In all, 224 consecutive patients with the suspicion of PCa were investigated. All patients were evaluated by 3.0-T mpMRI applying the ESUR criteria. All patients underwent free-hand transperineal mpMRI/TRUS fusion TB and additionally a transperineal SB. Pathological findings of TB, SB, and step-sectioned RP specimens were analyzed. RESULTS: The median age of the patients was 69 (40-85) years, median PSA level was 10.05 (3.61-78.39) ng/mL, and median prostate volume was 45.5 (22-77) mL. Overall, the PCa detection rate was 50.45% (113/224). TB detected significantly more cancer [44.2% (99/224) vs. 34.8% (78/224); P = 0.001] and clinically significant PCa [75.75% (75/99) vs. 62.82% (49/78); P = 0.005] than SB. For the upgrading of Gleason score, 39.74% (31/78), more clinically significant PCa was detected by using additional TB than by SB alone. Conversely, 5.05% (5/99) more clinically significant PCa was found by SB in addition to that by TB. The location of 96.67% (58/60) and Gleason score of 60% (36/60) of TB-proven ITs were correctly identified, as corroborated by RP specimens. The median IT volume was 1.125 (0.21-19.87) ml on MRI and 1.41 (0.13-9.56) ml in RP specimens. CONCLUSIONS: Free-hand transperineal mpMRI/TRUS fusion biopsy was associated with a higher detection rate of clinically significant PCa while taking fewer cores. Moreover, this technique can reliably predict the location, and relatively reliably predict cancer volume and Gleason score of ITs.
Entities:
Keywords:
Index tumor; Location; Prostate cancer; Targeted biopsy; mpMRI/TRUS fusion
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