Objective: Previous studies have reported an association between endometrial cancer and the risk of metabolic syndrome; however, the pattern of endometrial cancer-associated dyslipidemia is not well understood. The standard therapy for endometrial cancer is total abdominal hysterectomy and bilateral salpingo-oophorectomy. Premenopausal bilateral salpingooophorectomy may cause adverse events, including dyslipidemia. Gynecologists have to care dyslipidemia in endometrial cancer survivors at cancer follow-up clinic. Methods: This study included 693 patients who had undergone bilateral salpingooophorectomy, and included 412 women with incident endometrial cancer and 281 controls. We divided the patients into two categories according to whether they had a premenopausal or postmenopausal bilateral oophorectomy. Serum lipid levels were measured and statistically analyzed. Results: Hypertriglyceridemia was statistically more frequent in patients who had undergone bilateral salpingo-oophorectomy both before and after menopause than in the corresponding non-endometrial cancer controls. High levels of low-density lipoprotein cholesterol and a high low-density lipoprotein cholesterol/high-density lipoprotein cholesterol ratio were statistically more frequent in patients who had undergone bilateral salpingo-oophorectomy before menopause than in non-endometrial cancer controls. Conclusions: Our report highlights the importance of the relationship between endometrial cancer and lipid metabolism, which may aid in preventing cerebrovascular or cardiovascular diseases due to dyslipidemia and improving the quality of life in endometrial cancer survivors.
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