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Model Predicting the Risk of Endometrial Hyperplasia Developing into Endometrial Cancer
Jing Su1, Lina She1, Yang Fan1
1Department of Obstetrics and Gynecology, People's Hospital of Ningxia Hui Autonomous Region, Ningxia Medical University, Yinchuan, People's Republic of China.
Background:
This study retrospectively analyzed the medical records of 200 patients with endometrial hyperplasia to predict the risk of concurrent endometrial cancer.
Methods:
Patients were categorized into either the endometrial cancer group or the endometrial hyperplasia group based on post-hysterectomy pathology. The investigation compared general information, tumor indices, fertility history, preoperative endometrial sampling methods, comorbidities, and clinical symptoms between the groups to identify risk factors for endometrial hyperplasia complicating endometrial cancer.
Results:
(1) Of the 200 patients, 68 (34.0%) were diagnosed with concurrent endometrial cancer post-hysterectomy. Among these, 60 (88.24%) had endometrioid adenocarcinoma, while 8 (11.76%) had other types. Stage I was identified in 58 patients (85.29%) and Stage II in 10 patients (14.71%). High differentiation was observed in 57 cases (83.82%), moderate differentiation in 7 cases (10.29%), and poor differentiation in 4 cases (5.89%), indicating that most endometrial cancers complicated by hyperplasia were early-stage, well-differentiated endometrioid carcinomas; (2) Univariate analysis revealed statistically significant differences in age, menopausal status, length of menopause, and preoperative endometrial pathology of severe atypical hyperplasia between the groups; (3) Multivariate analysis indicated significant differences for age ≥ 53.5 years (OR: 4.307, 95% CI: 2.018-9.192, p < 0.05), menopausal status (OR: 5.250, 95% CI: 2.449-11.252, p < 0.05), and severe atypical endometrial hyperplasia (OR: 4.817, 95% CI: 1.260-18.419, p < 0.05); (4) Significant differences were observed among patients with endometrial hyperplasia when stratified by the presence of zero, one, two, or three high-risk factors.
Conclusion:
In conclusion, patients aged ≥ 53.5 years, those who are menopausal, and those with severe atypical endometrial hyperplasia preoperatively are at higher risk for endometrial cancer. The risk increases with the number of high-risk factors present in patients with atypical endometrial hyperplasia.
