Preoperative MR imaging for ESMO-ESGO-ESTRO classification of endometrial cancer

Diagnostic and Interventional Imaging
P LavaudI Thomassin-Naggara

Abstract

To retrospectively investigate whether magnetic resonance imaging (MRI) findings could contribute to predict histologic type, tumor grade and lymphovascular space invasion (LVSI) to improve preoperative assessment of endometrial cancer using the European Society for Medical Oncology (ESMO) European Society for Radiotherapy & Oncology (ESTRO) and European Society of Gynecological Oncology (ESGO) classification. Between January 2008 and August 2014, 104 women (mean age, 65±11 [SD] years; range, 32-84 years) with International Federation of Gynecology and Obstetrics (FIGO) stage I endometrial cancer underwent preoperative MRI of the pelvis. Two independent readers evaluated tumor heterogeneity and measured tumor size on T2-weighted, diffusion-weighted and T1-weighted images obtained after gadolinium chelate administration at 2minutes. The apparent diffusion coefficient (ADC) was generated from pixel ADC from the whole tumor volume. A short axis>24mm on MRI was associated with histopathologic type 2, grade 3 tumor and presence of LVSI (P<0.01). There were no significant differences in minimum, mean and maximum ADC between presence/absence of LVSI. In 9.1% women (9/99), the accuracy of the ESMO-ESGO-ESTRO classification with the inc...Continue Reading

Citations

Mar 14, 2021·Surgical Oncology·M Reyes Oliver-PerezAlvaro Tejerizo-Garcia
Oct 28, 2019·Bulletin du cancer·Clémentine OwenÉmile Daraï

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