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Minerva Ginecol. 2017 Dec;69(6):517-525. doi: 10.23736/S0026-4784.17.04104-1. Epub 2017 Jul 10.

Does fibroids surgery by endoscopy or laparotomy represent a malignancy threat?

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Department of Gynecology and Obstetrics, University Hospitals Schleswig-Holstein, Kiel, Germany -
Department of Gynecology and Obstetrics, University Hospitals Schleswig-Holstein, Kiel, Germany.



The aim of this study was to 1) estimate the incidence of unsuspected uterine sarcoma in patients after myomectomies and hysterectomies for benign uterine fibroids; 2) to assess the incidence of uterine sarcomas among patient who had uterine fibroids or a suspicion of uterine sarcoma before undergoing the surgical procedures.


Retrospective study in single center university hospital. Patient's records with uterine fibroids and uterine sarcoma from 2003 to 2015 collected. Data presented as mean and standard deviation for continuous variable and percentage for categorical variables. The exact Clopper-Pearson interval was used to calculate 95% confidence interval.


The total number of women with uterine fibroids was 2269 and uterine sarcomas 7. Of these seven, four were uterine leiomyosarcomas (ULMS), one endometrial sarcoma (ESS), one high-grade undifferentiated uterine sarcoma (HGUS) and one embryonal rhabdomyosarcoma (ERMS). Six of these patients underwent direct open conventional cancer treatment. The mean age of the patients with ULMS was 73.7±3.9 years. Immunohistochemistry results indicated SMA(+), CD 10(+), desmin(+) and h-caldesmon(+). The two patients with HGUS and ERMS were also preoperatively diagnosed with suspected malignancy and operated upon according. However, only one woman 48 years old primarily diagnosed with benign uterine fibroids underwent a laparoscopic subtotal hysterectomy (LSH) procedure; however, the histological results detected an ESS. Immunohistochemistry showed CD10(+), desmin(+), smooth muscle actin (SMA)(-), Aktin(-) and 5% Ki67(+).Two weeks after the initial surgery, an open cervical stump resection with bilateral sapping-oophorectomy and an omentectomy was performed.


The frequency of unsuspected ESS was 1/2269 among the women who underwent myomectomies and hysterectomies for the treatment of benign uterine fibroids. The total incidence of uterine sarcoma was 7/2275 among the patients who had presumed uterine fibroids or a suspicion of uterine sarcoma prior to undergoing the surgical procedures.

[Indexed for MEDLINE]

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