Abstract
Purpose
To evaluate the pattern of endometrial cancer recurrence according to its biological subtype in a large cohort of patients.
Patients and methods
Patients were stage eligible if they had a description of registry risk of recurrence status and were not primary metastatic. Data were prospectively collected. The primary endpoints were the subtype-dependent pattern and time of recurrence.
Results
The median follow-up time was 84 months. The highest 10-year recurrence-free and overall survival were seen in the group of patients at low risk of recurrence, 83.1 and 94.1%, respectively. The 10-year recurrence-free survival for intermediate and high risk group was 65.7 and 56.2%, respectively, whereas the estimated 10-year overall survival for both groups was 84.5 and 79.3%, respectively. Patients at high risk demonstrated the highest levels of disease recurrence in the first 3–4 years after diagnosis and the most common site of metastasis was the lung. In contrast, the rate of recurrence for patients at intermediate and low risk of recurrence in the first 5 years was relatively low but remained continuous up to 10 years of follow-up. Overall, the most common site of relapse was local recurrence.
Conclusion
Endometrial cancer subtypes are associated with different times and patterns of recurrence and this should be considered when determining the treatment strategy.
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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This article does not contain any studies with animals performed by any of the authors.
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Informed consent was obtained from all individual participants included in the study before treatment. According to the statement of Research and Ethical Committee, Otto-von-Guericke University, Magdeburg, Germany, an additional individual consent was not required for this analysis. Before analysis, patient data underwent a pesudonymisation.
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Ignatov, T., Eggemann, H., Costa, S.D. et al. Endometrial cancer subtypes are associated with different patterns of recurrence. J Cancer Res Clin Oncol 144, 2011–2017 (2018). https://doi.org/10.1007/s00432-018-2711-8
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DOI: https://doi.org/10.1007/s00432-018-2711-8