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    Effects of robotic-assisted laparoscopic prostatectomy on surgical pathology specimens

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    Author
    Hong, Heng; Mel, Lin; Taylor, Jonathan; Wu, Qiang; Reeves, Hugh
    Abstract
    Background Robotic-assisted laparoscopic prostatectomy (RALP) has greatly changed clinical management of prostate cancer. It is important for pathologists and urologists to compare RALP with conventional open radical retropubic prostatectomy (RRP), and evaluate their effects on surgical pathology specimens. Methods We retrospectively reviewed and statistically analyzed 262 consecutive RALP (n = 182) and RRP (n = 80) procedures performed in our institution from 2007 to 2010. From these, 49 RALP and 33 RRP cases were randomly selected for additional microscopic examination to analyze the degree of capsular incision and the amount of residual prostate surface adipose tissue. Results Positive surgical margins were present in 28.6% RALP and 57.5% RRP cases, a statistically significant difference. In patients with stage T2c tumors, which represent 61.2% RALP and 63.8% RRP patients, the positive surgical margin rate was 24.1% in the RALP group and 58.8% in the RRP group (statistically significant difference). For other pathologic stages, the differences in positive margins between RALP and RRP groups were not statistically significant. The incidence of positive surgical margins after RALP was related to higher tumor stage, higher Gleason score, higher tumor volume and lower prostate weight, but was not related to the surgeons performing the procedure. When compared with RRP, RALP also caused less severe prostatic capsular incision and maintained larger amounts of residual surface adipose tissue in prostatectomy specimens. Conclusions In this study RALP showed a statistically significant lower positive surgical margin rate than RRP. Analysis of capsular incision and amount of prostatic surface residual adipose tissue suggested that RALP caused less prostatic capsular damage than RRP.
    URI
    http://hdl.handle.net/10342/5746
    Subject
     Robotic-assisted laparoscopic prostatectomy; Radical retropubic prostatectomy,; Prostate cancer; Positive surgical margin; Capsular incision 
    Date
    2012
    Citation:
    APA:
    Hong, Heng, & Mel, Lin, & Taylor, Jonathan, & Wu, Qiang, & Reeves, Hugh. (January 2012). Effects of robotic-assisted laparoscopic prostatectomy on surgical pathology specimens. Diagnostic Pathology, (24-24. Retrieved from http://hdl.handle.net/10342/5746

    Display/Hide MLA, Chicago and APA citation formats.

    MLA:
    Hong, Heng, and Mel, Lin, and Taylor, Jonathan, and Wu, Qiang, and Reeves, Hugh. "Effects of robotic-assisted laparoscopic prostatectomy on surgical pathology specimens". Diagnostic Pathology. . (24-24.), January 2012. April 19, 2021. http://hdl.handle.net/10342/5746.
    Chicago:
    Hong, Heng and Mel, Lin and Taylor, Jonathan and Wu, Qiang and Reeves, Hugh, "Effects of robotic-assisted laparoscopic prostatectomy on surgical pathology specimens," Diagnostic Pathology 7, no. (January 2012), http://hdl.handle.net/10342/5746 (accessed April 19, 2021).
    AMA:
    Hong, Heng, Mel, Lin, Taylor, Jonathan, Wu, Qiang, Reeves, Hugh. Effects of robotic-assisted laparoscopic prostatectomy on surgical pathology specimens. Diagnostic Pathology. January 2012; 7() 24-24. http://hdl.handle.net/10342/5746. Accessed April 19, 2021.
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