Iatrogenic parasitic leiomyoma and leiomyomatosis peritonealis disseminata following uterine morcellation

Journal of Obstetrics and Gynaecology Research - Tập 42 Số 8 - Trang 990-999 - 2016
Bingjian Lü1, Jing Xu2, Zimin Pan3
1Department of Surgical Pathology, Zhejiang University, Hangzhou, Zhejiang Province, China
2Department of Surgical Pathology, Sir Run Shaw Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang Province, China
3Gynecologic Oncology, Women's Hospital, School of Medicine, Zhejiang University, Hangzhou, Zhejiang Province, China

Tóm tắt

AbstractAimTo assess the impact of morcellation on the spread of uterine leiomyoma.MethodsCases of parasitic leiomyoma involving prior laparoscopy were collected between 2012 and 2015 in a tertiary women's hospital in China. Their clinicopathological features and the associated reports were reviewed.ResultsAll six patients with parasitic leiomyoma had laparoscopic myomectomy or hysterectomy with power morcellation 39–132 months previously. Patient 1 had widely disseminated tumors in the peritoneum and pelvis, in keeping with leiomyomatosis peritonealis disseminata (LPD). She received debulking of peritoneal tumors and lived with disease for 22 months. The implanting sites of the other parasitic tumors (patients 2–6) included the mesentery (n = 2), intestine (n = 1), pelvic parietal (n = 1), bladder (n = 1), and musculus rectus abdominis (n = 1). The diameter varied from 1 cm to 6 cm. The patients underwent abdominal subtotal hysterectomy, cervicectomy or tumor debulking and the postoperative course was unremarkable for a period of 2–32 months. Pathologically, these disseminated or parasitic leiomyomas did not show any evidence of malignancy. There were no morphological or immunohistochemical differences between the original tumor and the following seeding tumors. On literature review, 11 iatrogenic LPD have been reported after laparoscopic surgery for uterine leiomyoma. These cases may provide an alternative pathogenic mechanism for a distinct variant of LPD.ConclusionsLaparoscopic hysterectomy with tumor morcellation may increase the chance of tumor implantation and dissemination. Both clinicians and pathologists should be alert to this rare complication.

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Journal of Obstetrics and Gynaecology Research

Tập 42 Số 8

990-999

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