Oncology research and treatment · 2019
Omental Micrometastasis in Endometrial Cancer.
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Bayrak Mehmet, Yılmaz Alpay, Yılmaz Fatih, İlhan Olcay, Oz Atalay Fatma, Ozan Hakan
Аннотация
INTRODUCTION: Although there are several reports on omentum metastasis, limited studies have evaluated omental micrometastases, particularly isolated microscopic metastases in endometrial cancer (EC). We performed this study to assess the frequency of omental micrometastasis in EC, especially when the omentum is the only site of extrauterine spread.
METHODS: A retrospective study was conducted to assess cases of EC with an omental sample during primary surgical treatment for EC at the Gynecological Oncology Unit, Uludag University Hospital, Bursa, Turkey, between January 2005 and May 2018.
RESULTS: In total, 435 patients fulfilled the inclusion criteria, which comprised a complete surgical staging. The prevalence of omental metastases was 5.3% (n = 23), regardless of the subtype or clinical stage. Omental micrometastasis was detected in four cases (17.4%). In half of these patients, the omentum was the only site of disease outside the uterus, with an estimated 0.46% of isolated omental involvement. The grade of the endometrioid tumor was found to be statistically correlated with omental metastases (p = 0.01). There was a significant correlation between omental metastasis and positive peritoneal cytology, as well as adnexal involvement (p = 0.001 and p = 0.03, respectively).
CONCLUSION: We recommend omentectomy routinely in serous EC. In addition, we suggest selective omentectomy in patients with EC who have concomitant adnexal involvement or grade 3 tumors.
METHODS: A retrospective study was conducted to assess cases of EC with an omental sample during primary surgical treatment for EC at the Gynecological Oncology Unit, Uludag University Hospital, Bursa, Turkey, between January 2005 and May 2018.
RESULTS: In total, 435 patients fulfilled the inclusion criteria, which comprised a complete surgical staging. The prevalence of omental metastases was 5.3% (n = 23), regardless of the subtype or clinical stage. Omental micrometastasis was detected in four cases (17.4%). In half of these patients, the omentum was the only site of disease outside the uterus, with an estimated 0.46% of isolated omental involvement. The grade of the endometrioid tumor was found to be statistically correlated with omental metastases (p = 0.01). There was a significant correlation between omental metastasis and positive peritoneal cytology, as well as adnexal involvement (p = 0.001 and p = 0.03, respectively).
CONCLUSION: We recommend omentectomy routinely in serous EC. In addition, we suggest selective omentectomy in patients with EC who have concomitant adnexal involvement or grade 3 tumors.