Is Minimally Invasive Surgery Safe in Cervical Cancer?

The surgical management of cervical cancer has experienced significant shifts in recent years. Specifically, the landmark LACC trial raised major concerns regarding the safety of minimally invasive cervical surgery. Consequently, many centers reverted to open radical hysterectomy as their standard of care. However, recent evidence suggests that disease risk stratification might alter this paradigm. Specifically, a landmark population-based cohort study analyzed whether oncologic outcomes after minimally invasive radical hysterectomy differ by disease risk group.

Oncologic Safety of Minimally Invasive Cervical Surgery

Researchers evaluated a population-based cohort of 903 cervical cancer patients in Ontario, Canada. Notably, all patients underwent primary radical hysterectomy by a gynecologic oncologist between 2006 and 2017. The investigators stratified patients into low-risk and high-risk groups. Specifically, they defined low-risk disease as having a depth of invasion under 10 millimeters and a maximum tumor diameter under 20 millimeters. Ultimately, this classification aligned with the criteria used in the landmark SHAPE trial. Out of the total cohort, 621 patients had low-risk disease, while 282 patients were high-risk.

Key Findings and Survival Outcomes

During a median follow-up of nine years, the surgical approach demonstrated varying impacts. Overall, minimally invasive surgery showed a higher rate of cervical cancer-specific death compared to open surgery. However, a profound difference emerged during subgroup analysis. Specifically, minimally invasive surgery did not increase all-cause mortality or recurrence in low-risk patients. Conversely, high-risk patients who underwent minimally invasive surgery faced a threefold increase in all-cause mortality. Consequently, the oncologic risks of the minimally invasive approach appear restricted to higher-risk cohorts.

Clinical Implications for Gynecologists in India

These results offer critical guidance for gynecologic oncologists practicing in India. Currently, cervical cancer remains a major health challenge across the country. Therefore, selecting the safest surgical approach is paramount. This study suggests that minimally invasive surgery may be safe for carefully selected low-risk patients. Nonetheless, clinicians must exercise extreme caution. They should ensure rigorous pre-operative staging with advanced imaging. Furthermore, open radical hysterectomy must remain the gold standard for any patient exhibiting high-risk features.

Frequently Asked Questions

Q1: What defines low-risk cervical cancer according to this study?

The investigators defined low-risk cervical cancer based on the CCTG CX.5-SHAPE trial criteria. Specifically, patients classified as low-risk had a depth of tumor invasion of less than 10 millimeters and a maximum tumor diameter under 20 millimeters.

Q2: Is minimally invasive surgery safe for all cervical cancer patients?

No, the study shows that minimally invasive surgery significantly increases the risk of mortality in high-risk patients. However, it did not show a negative impact on survival in carefully selected low-risk patients.

References

1. Cusimano MC et al. Association of Surgical Approach with Oncologic Outcomes in Low-Risk Cervical Cancer. Am J Obstet Gynecol. 2026 Jul 04. doi: undefined. PMID: 42401251.
2. Plante M et al. Simple versus Radical Hysterectomy in Women with Low-Risk Cervical Cancer. N Engl J Med. 2024 Feb 29;390(9):819-829. doi: 10.1056/NEJMoa2308900.
3. Cusimano MC et al. Impact of surgical approach on oncologic outcomes in women undergoing radical hysterectomy for cervical cancer. Am J Obstet Gynecol. 2019 Dec;221(6):619.e1-619.e24. doi: 10.1016/j.ajog.2019.07.009.