Are endometrial carcinoma cells disseminated at hysteroscopy functionally viable?

Gynecologic Oncology
G ArikanG Desoye

Abstract

The aim of this study was to evaluate the rate of transtubal dissemination of endometrial carcinoma cells by hysteroscopy and the functional viability of disseminated tumor cells by assessing cell adhesion in an in vitro model. We studied 24 uteri obtained at TAH+BSO in patients with endometrial carcinoma. Further inclusion criteria were negative peritoneal cytology, no involvement of the uterine serosa or extrauterine disease, and endometrial surface involvement >1 cm in diameter. In vitro fluid hysteroscopy was performed with a 5-mm single-flow rigid hysteroscope. A maximum of 150 ml saline was infused at a maximum pressure of 100 mm Hg for a maximum of 3 min. Fluid running off through the tubes was collected. The cell suspension was enriched by a density gradient centrifugation. The isolated cells had a mean viability of 90% as judged by trypan blue exclusion. Viable cells (5 x 10(4) per 2-cm(2) polyvinyl chloride well plate) were cultured with equal parts of Dulbecco's modified Eagle's minimal essential medium and Ham's F-12 for 24 h. The endpoint of the analysis was the adherence of tumor cells to the polyvinyl chloride well plate, which was taken as a proxy for functional cell viability. Cytological evaluation was perform...Continue Reading

Citations

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