Retrograde Seeding of Malignant Cells during Hysteroscopy in Presumed Early Endometrial Cancer

Marc J. Zerbe, Jianyi Zhang, Robert E. Bristow, Francis C. Grumbine, Sylvia Abularach, F.J. Montz
In: Gynecologic Oncology · 2000 · vol. 79(1) , pp. 55–58 · doi:10.1006/gyno.2000.5892 · PMID:11006031 · W2151272361
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Hysteroscopy was associated with a higher frequency of positive peritoneal cytology in endometrial cancer patients, particularly those with high-risk cell types.

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Abstract

ObjectiveThe aim of this study was to determine the effect that preoperative hysteroscopy has on the frequency of positive cytology at the time of definitive surgical management in endometrial cancer.MethodsCharts of 222 patients with endometrial cancer were reviewed. Patients were divided according to whether (n = 64) or not (n = 158) they had hysteroscopy with saline infusion. Each group was stratified into low or high risk for positive peritoneal cytology. Logistic regression analysis was used to compare the prevalence of positive peritoneal cytology with and without hysteroscopy, before and after the stratification, adjusting for the confounding risk factors.ResultsAfter adjusting for confounding variables there was a statistical difference in the frequency of positive peritoneal cytology in those who had hysteroscopy versus those who did not (odds ratio (OR) = 2.6, 95% confidence interval (CI) = 1.02-6.63, P = 0.05). Even after stratifying patients into a low-risk group (OR = 2.12, 95% CI = 0.13-35.9, P = 0.6) and a high-risk group (OR = 3.46, 95% CI = 1.3-9.12, P = 0.01) the difference in the high-risk group was statistically significant.ConclusionHysteroscopy seems to affect the prevalence of positive peritoneal cytology, especially in those patients with high-risk cell types. Its use in patients with suspicion of endometrial cancer should be reconsidered.

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