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Survival implication of lymphadenectomy in patients surgically treated for apparent early-stage uterine serous carcinoma.

ABSTRACT: OBJECTIVE:Uterine serous carcinoma (USC) is a rare highly aggressive disease. In the present study, we aimed to investigate the survival implication of the systematic lymphadenectomy in patients who underwent surgery for apparent early-stage USC. METHODS:Consecutive patients with apparent early-stage USC surgically treated at six Italian referral cancer centers were analyzed. A comparison was made between patients who underwent retroperitoneal staging including at least pelvic lymphadenectomy "LND" vs. those who underwent hysterectomy alone "NO-LND". Baseline, surgical and oncological outcomes were analyzed. Kaplan- Meier curves were calculated for disease-free survival (DFS) and disease-specific survival (DSS). Associations were evaluated with Cox proportional hazard regression and summarized using hazard ratio (HR). RESULTS:One hundred forty patients were analyzed, 106 LND and 34 NO-LND. NO-LND group (compared to LND group) included older patients (median age, 73 vs.67 years) and with higher comorbidities (median Charlson Comorbidity Index, 6 vs. 5) (p<0.001). No differences in terms of recurrence rate (LND vs. NO-LND, 33.1% vs. 41.4%; p=0.240) were observed. At Cox regression analysis lymphadenectomy did not significantly influence DFS (HR=0.59; 95% confidence interval [CI]=0.32-1.08; p=0.09), and DSS (HR=0.14; 95% CI=0.02-1.21; multivariable analysis p=0.07). Positive node was independently associated with worse DFS (HR=6.22; 95% CI=3.08-12.60; p<0.001) and DSS (HR=5.51; 95% CI=2.31-13.10; p<0.001), while adjuvant chemotherapy was associated with improved DFS (HR=0.38; 95% CI=0.17-0.86; p=0.02) and age was independently associated with worse DSS (HR=1.07; 95% CI=1.02-1.13; p<0.001). CONCLUSIONS:Although lymphadenectomy did not show survival benefits in patients who underwent surgery for apparent early-stage USC, the presence of lymph node metastasis was the main adverse prognostic factors, supporting the prognostic role of the retroperitoneal staging also in this histological subtype.

SUBMITTER: Casarin J

PROVIDER: S-EPMC7440990 | biostudies-literature | 2020 Sep

REPOSITORIES: biostudies-literature

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Survival implication of lymphadenectomy in patients surgically treated for apparent early-stage uterine serous carcinoma.

Casarin Jvan J Bogani Giorgio G Piovano Elisa E Falcone Francesca F Ferrari Federico F Odicino Franco F Puppo Andrea A Bonfiglio Ferdinando F Donadello Nicoletta N Pinelli Ciro C Laganà Antonio Simone AS Ditto Antonino A Malzoni Mario M Greggi Stefano S Raspagliesi Francesco F Ghezzi Fabio F

Journal of gynecologic oncology 20200901 5

<h4>Objective</h4>Uterine serous carcinoma (USC) is a rare highly aggressive disease. In the present study, we aimed to investigate the survival implication of the systematic lymphadenectomy in patients who underwent surgery for apparent early-stage USC.<h4>Methods</h4>Consecutive patients with apparent early-stage USC surgically treated at six Italian referral cancer centers were analyzed. A comparison was made between patients who underwent retroperitoneal staging including at least pelvic lym ...[more]

PMID: 32808495

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Project description:ObjectiveStage I-II uterine papillary serous carcinoma (UPSC) has aggressive biological behavior and leads to poor prognosis. However, clinicopathologic risk factors to predict cancer-specific survival of patients with stage I-II UPSC were still unclear. This study was undertaken to develop a prediction model of survival in patients with early-stage UPSC.MethodsUsing Surveillance, Epidemiology, and End Results (SEER) database, 964 patients were identified with International Federation of Gynecology and Obstetrics (FIGO) stage I-II UPSC who underwent at least hysterectomy between 2004 and 2015. By considering competing risk events for survival outcomes, we used proportional subdistribution hazards regression to compare cancer-specific death (CSD) for all patients. Based on the results of univariate and multivariate analysis, the variables were selected to construct a predictive model; and the prediction results of the model were visualized using a nomogram to predict the cancer-specific survival and the response to adjuvant chemotherapy and radiotherapy of stage I-II UPSC patients.ResultsThe median age of the cohort was 67 years. One hundred and sixty five patients (17.1%) died of UPSC (CSD), while 8.6% of the patients died from other causes (non-CSD). On multivariate analysis, age ≥ 67 (HR = 1.45, P = .021), tumor size ≥ 2 cm (HR = 1.81, P = .014) and >10 regional nodes removed (HR = 0.52, P = .002) were significantly associated with cumulative incidence of CSD. In the age ≥67 cohort, FIGO stage IB-II was a risk factor for CSD (HR = 1.83, P = .036), and >10 lymph nodes removed was a protective factor (HR = 0.50, P = .01). Both adjuvant chemotherapy combined with radiotherapy and adjuvant chemotherapy alone decreased CSD of patients with stage I-II UPSC older than 67 years (HR = 0.47, P = .022; HR = 0.52, P = .024, respectively). The prediction model had great risk stratification ability as the high-risk group had higher cumulative incidence of CSD than the low-risk group (P < .001). In the high-risk group, patients with post-operative adjuvant chemoradiotherapy had improved CSD compared with patients who did not receive radiotherapy nor chemotherapy (P = .037). However, there was no such benefit in the low-risk group.ConclusionOur prediction model of CSD based on proportional subdistribution hazards regression showed a good performance in predicting the cancer-specific survival of early-stage UPSC patients and contributed to guide clinical treatment decision, helping oncologists and patients with early-stage UPSC to decide whether to choose adjuvant therapy or not.

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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Survival implication of lymphadenectomy in patients surgically treated for apparent early-stage uterine serous carcinoma.

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Survival implication of lymphadenectomy in patients surgically treated for apparent early-stage uterine serous carcinoma.

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