Prognostic Impact of Pretreatment Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography SUVmax in Patients With Locally Advanced Cervical Cancer

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The aim of this study was to investigate the impact of SUVmax fluorodeoxyglucose positron emission tomography/computed tomography (FDG-PET/CT) measured in the primary tumor, pelvic and para-aortic node with disease-free survival (DFS) and overall survival (OS) in patients with locally advanced cervical cancer.

Methods and Materials

A total of 92 patients with histological diagnosis of locally advanced cervical cancer are treated with radiochemotherapy plus brachytherapy boost from January 2008 to April 2014 in our Institution. A pretreatment FDG-PET/CT for staging and radiotherapy planning was performed, and the value of SUVmax measured in primary tumor and positive nodes was related to DFS and OS.


Univariate analysis showed that DFS is related to FDG-PET/CT positive para-aortic nodes (P = 0.01), International Federation of Gynecology and Obstetrics (FIGO) stage of disease (P = 0.01), and primary tumor SUVmax (P = 0.02), and OS is related to positive para-aortic nodes (P = 0.01) and primary tumor SUVmax (P = 0.02).


In multivariate analysis, DFS is modified by FDG-PET/CT positive para-aortic lymph nodes, stage and high T SUVmax (P = 0.02; P = 0.003; P = 0.04), but the only worse prognostic factor of OS is the high SUVmax in the primary tumor (P = 0.01).


We found that T SUVmax, stage, and para-aortic lymph node status assessed by FDG-PET were independent prognostic factors of DFS, whereas only T SUVmax correlated with OS.

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