Prevalence of undiagnosed uterine leiomyosarcoma in women undergoing hysterectomy or myomectomy for benign indications

Occult LMS is a rare malignant disease. This study found that the prevalence of LMS was higher in women undergoing myomectomy compared with women undergoing hysterectomy. The highest prevalence of LMS was found in women undergoing hysteroscopic myomectomy.