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Laukhtina E, Rajwa P, Mori K, Moschini M, D'Andrea D, Abufaraj M, Soria F, Mari A, Krajewski W, Albisinni S, Teoh JYC, Quhal F, Sari Motlagh R, Mostafaei H, Katayama S, Grossmann NC, Enikeev D, Zimmermann K, Fajkovic H, Glybochko P, Shariat SF, Pradere B. Accuracy of Frozen Section Analysis of Urethral and Ureteral Margins During Radical Cystectomy for Bladder Cancer: A Systematic Review and Diagnostic Meta-Analysis. Eur Urol Focus 2021; 8:752-760. [PMID: 34127436 DOI: 10.1016/j.euf.2021.05.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/07/2021] [Accepted: 05/25/2021] [Indexed: 11/17/2022]
Abstract
CONTEXT The question of the ability of frozen section analysis (FSA) to accurately detect malignant pathology intraoperatively has been discussed for many decades. OBJECTIVE We aimed to conduct a systematic review and meta-analysis assessing the diagnostic estimates of FSA of the urethral and ureteral margins in patients treated with radical cystectomy (RC) for bladder cancer (BCa). EVIDENCE ACQUISITION The MEDLINE and EMBASE databases were searched in February 2021 for studies analyzing the association between FSA and the final urethral and ureteral margin status in patients treated with RC for BCa. The primary endpoint was the value of pathologic detection of urethral and ureteral malignant involvement with FSA during RC compared with the final margin status. We included studies that provided true positive, true negative, false positive, and false negative values for FSA, which allowed us to calculate the diagnostic estimates. EVIDENCE SYNTHESIS Fourteen studies, comprising 8208 patients, were included in the quantitative synthesis. Forest plots revealed that the pooled sensitivity and specificity for FSA of urethral margins during RC were 0.83 (95% confidence interval [CI] 0.38-0.97) and 0.95 (95% CI 0.91-0.97), respectively. While for the FSA of ureteral margins, the pooled sensitivity and specificity were 0.77 (95% CI 0.67-0.84) and 0.97 (95% CI 0.95-0.98), respectively. Calculated diagnostic odds ratios indicated high FSA effectiveness, and patients with a positive urethral or ureteral margin at final pathology are over 100 times more likely to have positive FSA than patients without margin involvement at final pathology. Area under the curves of 96.6% and 96.7% were reached for FSA detection of urethral and ureteral tumor involvement, respectively. CONCLUSIONS Intraoperative FSA demonstrated high diagnostic performance in detecting both urethral and ureteral malignant involvement at the time of RC for BCa. FSA of both urethral and ureteral margins during RC is accurate enough to be of great value in the routine management of BCa patients treated with RC. While its specificity was great to guide intraoperative decision-making, its sensitivity remains suboptimal yet. PATIENT SUMMARY We believe that the frozen section analysis of both urethral and ureteral margins during radical cystectomy should be considered more often in urologic practice, until quality of life-based cost-effectiveness studies can identify patients within each institution who are unlikely to benefit from it.
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Affiliation(s)
- Ekaterina Laukhtina
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Institute for Urology and Reproductive Health, Sechenov University, Moscow, Russia
| | - Pawel Rajwa
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Department of Urology, Medical University of Silesia, Zabrze, Poland
| | - Keiichiro Mori
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Department of Urology, The Jikei University School of Medicine, Tokyo, Japan
| | - Marco Moschini
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Department of Urology, Luzerner Kantonsspital, Lucerne, Switzerland; Department of Urology and Division of Experimental Oncology, Urological Research Institute, Vita-Salute San Raffaele, Milan, Italy
| | - David D'Andrea
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
| | - Mohammad Abufaraj
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Division of Urology, Department of Special Surgery, Jordan University Hospital, The University of Jordan, Amman, Jordan
| | - Francesco Soria
- Division of Urology, Department of Surgical Sciences, San Giovanni Battista Hospital, University of Studies of Torino, Turin, Italy
| | - Andrea Mari
- Department of Urology, Careggi Hospital, University of Florence, Florence, Italy
| | - Wojciech Krajewski
- Department of Urology and Oncologic Urology, Wrocław Medical University, Wroclaw, Poland
| | - Simone Albisinni
- Service d'Urologie, Hôpital Erasme, Université Libre de Bruxelles, Bruxelles, Belgium
| | - Jeremy Yuen-Chun Teoh
- S.H. Ho Urology Centre, Department of Surgery, The Chinese University of Hong Kong, Hong Kong, China
| | - Fahad Quhal
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Department of Urology, King Fahad Specialist Hospital, Dammam, Saudi Arabia
| | - Reza Sari Motlagh
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Men's Health and Reproductive Health Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hadi Mostafaei
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Research Center for Evidence Based Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Satoshi Katayama
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Department of Urology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama, Japan
| | - Nico C Grossmann
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Department of Urology, University Hospital Zurich, Zurich, Switzerland
| | - Dmitry Enikeev
- Institute for Urology and Reproductive Health, Sechenov University, Moscow, Russia
| | - Kristin Zimmermann
- Department of Urology, Federal Armed Services Hospital Koblenz, Koblenz, Germany
| | - Harun Fajkovic
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Karl Landsteiner Institute of Urology and Andrology, Vienna, Austria
| | - Petr Glybochko
- Institute for Urology and Reproductive Health, Sechenov University, Moscow, Russia
| | - Shahrokh F Shariat
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria; Institute for Urology and Reproductive Health, Sechenov University, Moscow, Russia; Division of Urology, Department of Special Surgery, Jordan University Hospital, The University of Jordan, Amman, Jordan; Karl Landsteiner Institute of Urology and Andrology, Vienna, Austria; Department of Urology, Weill Cornell Medical College, New York, NY, USA; Department of Urology, University of Texas Southwestern, Dallas, TX, USA; Department of Urology, Second Faculty of Medicine, Charles University, Prague, Czech Republic.
| | - Benjamin Pradere
- Department of Urology, Comprehensive Cancer Center, Medical University of Vienna, Vienna, Austria
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