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Impact of coexistent adenomyosis on outcomes of patients with endometrioid endometrial cancer: a propensity score-matched analysis

Abstract

Purpose

Despite the common occurrence of adenomyosis in endometrial cancer (EC), there is a paucity and conflict in the literature regarding its impact on outcomes of patients. We sought to compare outcomes of patients with endometrioid type EC with or without adenomyosis.

Methods

A total of 314 patients were included in the analysis. Patients were divided into 2 groups according to the presence or absence of adenomyosis. Adenomyosis was identified in 79 patients (25.1%). A propensity score-matched comparison (1:1) was carried out to minimize selection biases. The propensity score was developed through multivariable logistic regression model including age, stage, and tumor grade as covariates. After performing propensity score matching, 70 patients from each group were successfully matched. Primary outcome of the study was disease-free survival (DFS), and the secondary outcomes were overall survival (OS) and disease-specific survival (DSS).

Results

Median follow-up time was 61 months for the adenomyosis positive group and 76 months for the adenomyosis negative group. There were no statistically significant differences in 3- and 5-year DFS, OS, and DSS rates between the 2 groups. Five-year DFS was 92% vs 88% (hazard ratio [HR] 1.54 [0.56-4.27]; p = 0.404), 5-year OS was 94% vs 92% (HR 1.60 [0.49-5.26]; p = 0.441), and 5-year DSS was 94% vs 96% (HR 2.51 [0.46-13.71]; p = 0.290) for patients with and without adenomyosis, respectively.

Conclusions

Coexistent adenomyosis in EC is not a prognostic factor and does not impact survival outcomes.

Post author correction

Article Type: ORIGINAL RESEARCH ARTICLE

DOI:10.5301/tj.5000698

Authors

Hulya Ayik Aydin, Tayfun Toptas, Selen Bozkurt, Elif Pestereli, Tayup Simsek

Article History

Disclosures

Financial support: No financial support was received for this submission.
Conflict of interest: None of the authors has conflict of interest with this submission.
Meeting presentation: The abstract of this study was accepted as a poster presentation at the 20th International Meeting of the European Society of Gynaecological Oncology (ESGO 2017); November 4-7, 2017; Vienna, Austria.

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Authors

Affiliations

  • Department of Gynecologic Oncology, Akdeniz University School of Medicine, Antalya - Turkey
  • Department of Gynecologic Oncology, Antalya Research and Training Hospital, Antalya - Turkey
  • Department of Biostatistics and Medical Informatics, Akdeniz University School of Medicine, Antalya - Turkey
  • Department of Gyneco-pathology, Akdeniz University School of Medicine, Antalya - Turkey

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