Introduction/Background*Pre-surgical staging in endometrial cancer is crucial for planning surgical treatment and adjuvant therapy of the disease. The aim of the present study is to determine the diagnostic accuracy of PET/CT and MRI in the detection of pelvic extrauterine disease and lymph node involvement.
Methodology An ambispective descriptive study was conducted including patients diagnosed with early stage high-risk endometrial cancer or advanced stage endometrial cancer between January 2011 and July 2021 in our Institution. In all cases included, a pre-surgical study with PET/CT and MRI was performed and lymph node debulking or lymph node staging with pelvic and para-aortic lymphadenectomy was carried out.
Finally, we compared the sensitivity, specificity, positive predictive value, and negative predictive value for the detection of adenopathies and/or extrauterine pelvic disease detected by PET/CT and MRI. All statistical analysis were performed using the software SPSS Statistics v.24.0 (IBM Corp., Armonk, NY, USA).
Result(s)*The results after final statistical analysis will be available when the prospective data collection has been finalised.
Conclusion*The hypothesis we plan to confirm is that MRI is not superior to PET/CT in the detection of lymph node involvement and can be omitted in the pre-surgical study of early stages of high-risk endometrial cancer. However, in advanced stages, MRI may be useful given its greater ability to delineate the pelvic extension of the primary tumor.
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