2018 FIGO Staging System for Uterine Cervical Cancer: Enter Cross-sectional Imaging.
Radiology. 2019 Jul;292(1):15-24. doi: 10.1148/radiol.2019190088. Epub 2019 May 28.
Lee SI, Atri M.
Imaging plays a central role in the 2018 International Federation of Gynecology and Obstetrics staging system for uterine cervical cancer. The revision calls for a more precise measurement of primary tumor size, best assessed with imaging. Evaluation for abdominopelvic retroperitoneal lymphadenopathy, either with imaging alone or with pathologic analysis, is now also part of staging. Choice of modality depends on the technology available within the practice setting. In high-resource settings, pelvic MRI (to assess tumor size and central pelvic spread) and torso fluorodeoxyglucose PET/CT (to assess lymphadenopathy and distant metastases) are used to assign stage and to plan therapy. In lower-resource settings, analogous modalities are pelvic US and chest radiography. Although imaging is already a part of pretreatment planning in some high-resource settings, its incorporation into assigning stage is a new development.
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