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Is Tumor-Free Distance an Independent Prognostic Factor for Early-Stage Endometrioid Endometrial Cancer?

ABSTRACT: There are many studies assessing the importance of myometrial invasion using a cut-off limit as 50% of myometrial invasion for endometrial cancer, and there are a limited number of studies evaluating tumor-free distance to the serosa. To evaluate the prognostic performance of tumor-free distance and percentage of myometrial invasion in patients with stage IB endometrioid endometrial cancer, we retrospectively evaluated 133 patients diagnosed and treated as stage IB endometrioid endometrial cancer. Tumor-free distance was assessed, and recurrence and recurrence-free survival were analyzed. Nine patients had recurrent disease (6.8%). Recurrence-free survival was 200 months. Two patients died because of malignancy. In the Cox regression model according to tumor-free distance, depth of invasion, and percentage of myometrial invasion, it was seen that none of these parameters were significant to predict the recurrence (p > 0.05). In conclusion, tumor-free distance is not an independent prognostic factor for patients with stage IB endometrioid endometrial cancer.

SUBMITTER: Oge T

PROVIDER: S-EPMC7178498 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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Is Tumor-Free Distance an Independent Prognostic Factor for Early-Stage Endometrioid Endometrial Cancer?

Oge Tufan T Comert Duygu Kavak DK Cakmak Yusuf Y Arık Deniz D

Journal of oncology 20200414

There are many studies assessing the importance of myometrial invasion using a cut-off limit as 50% of myometrial invasion for endometrial cancer, and there are a limited number of studies evaluating tumor-free distance to the serosa. To evaluate the prognostic performance of tumor-free distance and percentage of myometrial invasion in patients with stage IB endometrioid endometrial cancer, we retrospectively evaluated 133 patients diagnosed and treated as stage IB endometrioid endometrial cance ...[more]

PMID: 32351565

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Project description:Study designRetrospective cohort study.IntroductionDebates remain regarding the role of lymphadenectomy in patients with apparent stage IA endometrial cancer, especially subtypes with a favorable prognosis. This study aimed to explore the prognostic value of staging surgeries in apparent stage IA endometrial endometrioid cancer patients in a retrospective cohort study.MethodsCases from June 1, 2010 to June 1, 2017 were reviewed in patients with pathologically confirmed endometrial endometrioid carcinoma limited to <1/2 of the myometrium, without extrauterine metastasis on preoperative evaluation and during surgical inspection. Survival outcomes were compared between patients with and without lymphadenectomy and between patients with and without metastasis to lymph nodes.ResultsIn total, 1,312 eligible patients were included, among which 836 underwent staging surgeries and 476 underwent simple hysterectomy. Twenty-eight patients were found with metastasis to retroperitoneal lymph nodes. After a median follow-up of 57.4 months, lost to follow-up, recurrence, death, and cancer-specific death occurred in 28, 39, 24, and 16 patients, respectively. In a univariate analysis, lymphadenectomy of the pelvis with or without para-aortic lymph nodes had no significant impact on disease-free survival, overall survival or cancer-specific overall survival (p values >0.05). However, after adjusting for important baseline risk factors [menopausal status, tumor differentiation, maximum diameter and location, lymph-vascular space invasion (LVSI) status, and postoperative adjuvant therapy), lymphadenectomy resulted in significantly improved survival outcomes (p values <0.05). Menopause (odds ratio [OR] 4.7, 95% confidence interval [CI] 1.3-16.4, p=0.015), tumor diameter larger than 2 cm (OR 4.6, 95% CI 1.3-16.0, p=0.016), grade 3 tumors (OR 3.0, 95% CI 1.0-8.5, p=0.042), positive LVSI (OR 8.7, 95% CI 3.7-20.4, p<0.001) and lower uterine segment involvement (OR 3.1, 95% CI 1.4-7.2, p=0.007) had more extrauterine metastases.ConclusionIn cases of apparent stage IA endometrioid endometrial carcinoma, staging surgeries should be considered in patients with larger, higher grade tumors, positive LVSI, or lower uterine segment involvement.

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Is Tumor-Free Distance an Independent Prognostic Factor for Early-Stage Endometrioid Endometrial Cancer?

Publications

Is Tumor-Free Distance an Independent Prognostic Factor for Early-Stage Endometrioid Endometrial Cancer?

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