Protective Role of Conization Before Radical Hysterectomy in Early-Stage Cervical Cancer: A Propensity-Score Matching Study

Rosa Pasqualina De Vincenzo, Anna Fagotti, Francesco Fanfani, Maria Gabriella Ferrandina, Giovanni Scambia, Luigi Pedone Anchora, Maria Vittoria Carbone, Camilla Fedele, Giuseppe Vizzielli, Valerio Gallotta, Nicolò Bizzarri, Ali Kucukmetin, Nithya Ratnavelu, Porfyrios Korompelis, Matteo Bruno, Vito Chiantera

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PURPOSE: The purpose of this study was to assess the prognostic role and the perioperative outcomes of conization performed before radical hysterectomy in early-stage cervical carcinoma.METHODS: This multicenter, retrospective observational cohort study included patients with FIGO 2009stage IB1 cervical carcinoma treated with radical hysterectomy between June 2004 and June 2019. Patients were divided into two groups according to conization before radical surgery. One-to-one case-control matching was used to adjust the baseline characteristics.RESULTS: A total of 332 patients were included after propensity matching (166, 50% in each group). Twenty-four of 166 (14.4%) and 142 of 166 (85.6%) conization patients had negative and positive surgical margins on the conization specimen, respectively. No difference in intra- and postoperative complications was noted between the two groups (p=0.542 and p=0.180, respectively). Patients undergoing conization before radical hysterectomy received less adjuvant treatment (p<0.001) and had a better 5-year disease-free survival (DFS) than patients who did not receive conization (89.8% vs. 80.0%, respectively; p=0.010). No difference in 5-year overall survival (OS) (97.1% vs. 91.4%, respectively; p=0.114) or recurrence pattern (p=0.115) was reported between the two groups. Factors independently related to higher risk of recurrence were pathologic tumor diameter >20 mm and no conization before radical hysterectomy (p=0.011 and p=0.018, respectively). The only independent variable influencing OS was pathologic tumor diameter >20 mm (p=0.020).CONCLUSIONS: Conization before radical hysterectomy was associated with improved DFS and lower probability of receiving adjuvant treatment. No difference in perioperative complications and OS was evident. Tumor diameter >20 mm was found to be the only independent risk factor affecting OS in both groups.
Original languageEnglish
Pages (from-to)N/A-N/A
JournalAnnals of Surgical Oncology
Publication statusPublished - 2021


  • Cervical cancer


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