Uterine Tumors Resembling Ovarian Sex Cord Tumors Identified at Resectoscopic Endometrial Ablation: Report of 2 Cases.

To report 2 cases of uterine tumors resembling ovarian sex cord tumors (UTROSCTs) and examine the clinical significance of these tumors found during hysteroscopic endometrial ablation despite benign preoperative endometrial biopsy analysis and imaging suggestive of leiomyoma. Case report (Canadian Task Force classification III). Tertiary care hospital. Two patients with abnormal uterine bleeding. Hysteroscopic endometrial ablation/resection. Pathological analysis of intrauterine tissue/lesions obtained by curettage or resection identified 2 unexpected UTROSCTs masquerading as leiomyomas. Following hysterectomy, no residual UTROSCT was identified in the specimens, and both women are well, one at 1 year postsurgery and the other at 3 years postsurgery. Obtaining additional tissue by routine curettage before endometrial ablation and/or endomyometrial resection, in conjunction with removal of any intrauterine lesions, can identify rare unexpected endometrial lesions not sampled by endometrial biopsy, not detected with ultrasound, and masquerading as leiomyomas during endometrial ablation.

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Copyright © 2018 American Association of Gynecologic Laparoscopists. Published by Elsevier Inc. All rights reserved.