Is Ovarian-Sparing Surgery Safe for Granulosa Tumors?

Adult granulosa cell tumors represent rare ovarian malignancies that typically appear in reproductive-age women. Consequently, many patients wish to preserve their reproductive potential through ovarian-sparing surgery. Clinicians frequently debate whether conservative procedures compromise long-term oncologic safety compared to radical surgery. However, high-quality clinical evidence has historically remained limited for this rare malignancy. A recent nationwide cohort study now provides reassuring survival data regarding conservative surgical approaches.

Comparing Surgical Strategies for Granulosa Cell Tumors

Specifically, investigators evaluated 851 premenopausal women aged 18 to 49 years diagnosed with stage IA or IC tumors. The cohort included 76 patients who underwent cystectomy and 445 patients treated with unilateral salpingo-oophorectomy. Meanwhile, 330 patients underwent bilateral salpingo-oophorectomy. In addition, surgeons completed concurrent hysterectomy in over 80 percent of bilateral oophorectomy cases. In contrast, only 23 percent of unilateral salpingo-oophorectomy patients underwent hysterectomy. Younger women aged 18 to 39 years significantly favored organ-preserving options. Therefore, researchers applied inverse probability of treatment weighting to balance baseline patient characteristics across groups.

Survival Outcomes of Ovarian-Sparing Surgery

Importantly, the weighted analysis demonstrated no significant difference in overall survival across surgical approaches. Patients undergoing unilateral salpingo-oophorectomy achieved excellent two-year and five-year survival outcomes. Furthermore, these outcomes closely mirrored those observed following radical bilateral salpingo-oophorectomy. Multivariable Cox models confirmed that ovarian preservation did not increase overall mortality after adjusting for confounding factors. However, cystectomy alone showed higher recurrence risks in secondary analyses. Thus, unilateral salpingo-oophorectomy remains the preferred fertility-sparing approach for stage I disease.

Clinical Implications for Practice in India

In India, preserving fertility carries immense social, personal, and psychological value for young women. Therefore, these robust survival findings offer strong reassurance to gynecologists and surgical oncologists across the country. Additionally, clinicians must thoroughly assess the endometrium before performing fertility-sparing surgery. Because granulosa cell tumors produce excess estradiol, patients face a heightened risk of concurrent endometrial hyperplasia. Consequently, practitioners should always perform an endometrial biopsy prior to definitive surgical planning. Moreover, these indolent tumors require diligent, life-long clinical surveillance due to late recurrences.

Frequently Asked Questions

Q1: Is ovarian-sparing surgery safe for stage I adult granulosa cell tumors?

Yes, robust evidence confirms that unilateral salpingo-oophorectomy offers equivalent overall survival to radical bilateral oophorectomy in stage I disease. However, patients must commit to long-term surveillance.

Q2: Why is endometrial evaluation critical during conservative management?

Granulosa cell tumors frequently secrete estrogens, which can stimulate endometrial proliferation. Consequently, clinicians must evaluate the uterine cavity to exclude concurrent endometrial adenocarcinoma or atypical hyperplasia.

References

1. Van Biema FL et al. Survival Outcomes of Ovarian-Sparing Surgery for Early-Stage Adult Granulosa Cell Tumor. Am J Obstet Gynecol. 2026 Oct 02. doi: undefined. PMID: 42826858.
2. Wang D, Xiang Y, Wu M, Shen K, Yang J, Huang H, Ren T. Clinicopathological characteristics and prognosis of adult ovarian granulosa cell tumor: a single-institution experience in China. Cancer Manag Res. 2018;10:525-532.
3. Sharma S, Mallick S, Singh SK, Upadhyay AD, Kumar S. Ovarian Granulosa Cell Tumor: Clinical Features, Treatment, Outcome, and Prognostic Factors. N Am J Med Sci. 2014;6(3):133-138.