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10.05.2024 | Gynecologic Oncology
Occult endometrial cancer in women undergoing hysterectomy for benign indications: a retrospective cohort study in a tertiary hospital in China
Erschienen in: Archives of Gynecology and Obstetrics
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Purpose
To evaluate the feasibility of further reducing the incidence of occult endometrial cancer in women undergoing hysterectomy for benign gynecological indications.
Methods
Patients who underwent hysterectomies for presumed benign gynecologic conditions at Peking Union Medical College Hospital were retrospectively identified. Patients with occult endometrial cancer, which was defined as endometrial cancer diagnosed on postoperative histopathology with no preoperative confirmed malignancy, were selected.
Results
24/7558 (0.32%; 95% CI 0.20–0.47%) patients undergoing hysterectomy for benign indications had occult endometrial cancer. Asymptomatic patients with normal endometrial imaging all tended to have favorable pathology. Heavy menstrual bleeding was the most overlooked AUB pattern in the premenopausal group. In the postmenopausal group, all the patients with serous adenocarcinoma or G3 endometrioid adenocarcinoma histology/stage T1b disease/LVSI space invasion had a history of persistent or recurrent PMB ≥ 6 months and/or an intracavitary lesion > 20 mm in diameter. 3/4 of the samples of the postmenopausal patients did not have adequate endometrium for evaluation.
Conclusion
To further reduce the incidence of occult endometrial cancer, physicians should focus on the patient’s bleeding pattern and actively implement endometrial sampling whenever indicated. Transvaginal ultrasonography is a valuable preoperative evaluation. Hysteroscopy with directed biopsy is the preferred procedure in postmenopausal patients.