Abstract
DNA methylation is the hallmark of early endometrial cancer and can be detected through non-invasive methods. The present study systematically reviewed the efficacy of DNA methylation detection for endometrial cancer screening through exfoliative cytology. A systematic literature review was performed through the following databases from inception to October 7, 2024: PubMed, Embase, and the Cochrane Library. Studies on DNA methylation detection for endometrial cancer screening through exfoliative cytology were included. The study was conducted according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. The relevant variables included cytologic sample type, methylated genes, and marker performance (i.e., AUC value, sensitivity, specificity, and the corresponding 95% confidence interval [CI]), as well as the bias risk assessment according to the Cochrane Collaboration tool (Cochrane Intervention Systematic Review Guide 5.1.0). A total of 31 genes were selected from 20 studies as methylation markers for endometrial cancer detection in cytologic specimens. A total of 19 methylation markers for endometrial cancer detection with an area under the curve value from 0.80 to 0.97 were selected from 10 studies. Cytology-based DNA methylation markers are feasible and accurate non-invasive methods for the early detection of endometrial cancer screening in high-risk populations.
Published Version
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