Prevalence of occult pre-malignant or malignant pathology at the time of uterine morcellation for benign disease

E.C. Von Bargen, Cara L. Grimes, Kavita Mishra, Rui Wang, Miriam J. Haviland, Michele R. Hacker, Joseph A. Carnevale, Alyssa J. Estes, Eman A. Elkadry
In: International Journal of Gynecology & Obstetrics · 2017 · vol. 137(2) , pp. 123–128 · doi:10.1002/ijgo.12111 · PMID:28170091 · PMC5934613 · W2587304693
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⚙ AI-generated summary by claude@2026-06, 2026-06-09 ⓘ

This retrospective study of 1214 women undergoing uterine morcellation for benign disease found that 1.2% had occult pre-malignant or malignant pathology, including endometrial adenocarcinoma and low-grade endometrial stromal sarcoma.

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Abstract

OBJECTIVE: To determine the prevalence of occult pre-malignant or malignant uterine pathology at the time of laparoscopic surgery with open power morcellation for benign gynecologic disease. METHODS: The present multicenter, retrospective cohort study included women who underwent open power morcellation for benign indications between January 1, 2007, and February 28, 2014, at three academic medical centers in the USA. The primary outcome was pre-malignant or malignant pathology at the time of open power morcellation, and was determined from the patients' pathology reports. RESULTS: During the study period, 1214 women underwent open power morcellation for benign indications. Similar preoperative characteristics were observed between patients with normal pathology and those with pre-malignant or malignant uterine pathology, including body mass index, parity, hypertension, diabetes, breast cancer, and smoking (all P>0.129). Among patients who underwent open power morcellation, 14 (1.2%) had occult pre-malignant or malignant pathology; 5 (0.4%) women had endometrial adenocarcinoma and 1 (0.1%) had low-grade endometrial stromal sarcoma. There were eight patients with malignant pathology who underwent additional surgical exploration and were disease free at their final clinical visit, with a median follow-up time of 42.0 months (interquartile range 5.0-62.0 months). CONCLUSION: Endometrial adenocarcinoma and low-grade endometrial stromal sarcoma were rare in the present study and there were no reports of leiomyosarcoma.

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