Surgical route and pathological risk factors in early cervical cancer - Node Zero (SURPEC-N0)

Abstract

Aim: The aim of this study is to compare disease-free survival (DFS) and overall survival (OS) in patients with stage I cervical cancer (≤ 4cms, lymph node-negative) undergoing open radical hysterectomy (ORH) vs. minimally invasive radical hysterectomy (MIRH).

Methods: All patients undergoing radical hysterectomy between January 2012-December 2018 from the largest tertiary referral cancer centre were included. A 1:1 propensity matching was done based on four independent prognostic factors to compare DFS and OS with the route of surgery.

Results: One hundred and ninety-nine patients were included during the study period. The median age of the cohort was 50 years. The median follow-up of patients was 47 months. Following 1:1 propensity matching, a total of 174 patients were analysed for DFS and OS in ORH (n = 87) and MIRH (n = 87) groups. Protective measure was used in two-thirds of the patients during MIRH. Twenty-nine patients (16.7%) had recurrences. For the matched cohort (n = 174), the DFS at 36 and 60 months was 84.8% (78.1%-89.6%) and 81% (73.4%-86.6%) respectively and the OS was 96.5% (91.7%-98.5%) and 95.6% (90.3%-98%) respectively. There was no statistically significant difference in DFS or OS between ORH and MIRH.

Conclusion: The present study showed no difference in oncological outcomes in MIRH compared to ORH. Retrospective audits on patient characteristics such as screening/vaccination history along with surgical technique/load and matching for crucial risk factors should be factored in future studies to eliminate the possible methodological errors.

Keywords

Cancer cervix / radical hysterectomy / route of surgery / oncological outcomes

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