Prognostic Value of Metabolic Activity Measured by 18F-FDG PET/CT in Patients with Advanced Endometrial Cancer

Hyun Jeong Kim, Jiyoun Choi, Yong Hyu Jeong, Kwan Hyeong Jo, Jae Hoon Lee, Arthur Cho, Mijin Yun, Jong Doo Lee, Young Tae Kim, Won Jun Kang

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)


Purpose: We evaluated the potential prognostic value of 18F-fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) in patients with stage IIIC/IV endometrial cancer. Methods: Patients with stage IIIC/IV endometrial cancer who had undergone FDG PET/CT workup for staging were enrolled. Maximum standardized uptake values (SUVmax) measured from regions of interest (ROIs) of the primary tumor (SUVt) and lymph nodes (SUVn) were correlated with overall survival (OS). The SUVn was defined as the highest SUVmax of the metastatic lymph nodes. Survival probability was assessed using the Kaplan-Meier method. Results: A total of 42 patients with a median age of 55.5 years (range 32-76 years) were included. Twenty-nine percent (n = 12) of patients were premenopausal and 71 % (n = 30) were postmenopausal. The average SUVt was 12.9 (range 1.8-36.5), and the average SUVn was 7.3 (range 2.0-22.5). Median follow-up time was 25.9 months (range 1-84 months). Using a SUVt of 9.5 as a cutoff value, two groups with different rates were determined (P = 0.026). In addition, patients with a low SUVn had significantly better OS than those with a high SUVn (P = 0.003). Patients in the International Federation of Obstetrics and Gynecology (FIGO) stage IV group with SUVt ≥ 9.5 or SUVn ≥ 7.3 showed a significantly longer OS than the other groups. Conclusions: FDG uptake of primary endometrial cancer and lymph nodes might be a prognostic factor in advanced endometrial cancer. More aggressive therapy could be considered in patients with stage IV endometrial cancer and high SUVt and/or high SUVn.

Original languageEnglish
Pages (from-to)257-262
Number of pages6
JournalNuclear Medicine and Molecular Imaging
Issue number4
Publication statusPublished - 2013 Dec

Bibliographical note

Funding Information:
This work was supported by the Students’ Association of the Graduate School of Yonsei University and funded by the Graduate School of Yonsei University.

All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging


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