Assessment of oncological safety and utility of hysteroscopy in high grade endometrial cancers: Results from an Israel gynecologic oncology group study.

To compare survival measures of women with Stage I high-grade endometrial cancer who underwent either hysteroscopy or a non-hysteroscopic procedure as a diagnostic procedure. 298 patients with stage I high grade endometrial cancer who underwent surgery between 2002 and 2014. Patients were divided into two groups: hysteroscopy and non-hysteroscopy (curettage or office endometrial biopsy). Clinical, pathological, and survival measures were compared between the groups. High grade histology included endometroid grade -3, uterine serous papillary carcinoma, clear cell carcinoma, and carcinosarcoma. There were 71 patients in the hysteroscopy group and 227 patients in the non-hysteroscopy group. The median follow-up was 52 months (range 12-120 months). There were no differences between the groups in the 5-year recurrence-free survival (73.9 % vs. 79.7 %; p = 0.65), disease-specific survival (79.3 % vs. 83.6 %; p = 0.87), and overall survival (65.7 % vs. 80.3 %; p = 0.35). Hysteroscopic diagnosis in women with early-stage and high-grade endometrial cancer does not adversely affect the survival outcomes.

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Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.