Standardized uptake value in para-aortic lymph nodes is a significant prognostic factor in patients with primary advanced squamous cervical cancer

Tzu Chen Yen, Lai Chu See, Chyong Huey Lai, Chien Sheng Tsai, Angel Chao, Swei Hsueh, Ji Hong Hong, Ting Chang Chang, Koon Kwan Ng*

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

66 Scopus citations

Abstract

Purpose: We sought to identify prognostic factors-including positron emission tomography (PET) parameters-in patients with previously untreated squamous carcinoma of the uterine cervix and MRI- or CT-defined pelvic or para-aortic lymph node (PLN or PALN) metastasis. Materials and methods: Patients with untreated squamous cell cervical cancer and PLN or PALN metastasis detected by CT/MRI were enrolled. FDG-PET scans were performed for primary staging. Prognostic variables were investigated by univariate and multivariate analyses. Five-year recurrence-free and 5-year overall survivals (RFS and OS) were evaluated using the Kaplan-Meier method. Results: A total of 70 patients [54 patients with International Federation of Gynecology and Obstetrics (FIGO) stage I or II, and 16 patients with stage III or IV] were eligible. Follow-up ranged from 26.1 to 71.6 months. In multivariate analysis, FIGO stage ≥III (5-year RFS, p = 0.008; 5-year OS, p = 0.008) was a significant prognostic factor for both RFS and OS. In addition, SUVmax for PALN (dichotomized by 3.3) was significantly associated with OS (p = 0.012) and marginally with RFS (p = 0.078). The presence of SUVmax ≥ 3.3 at PALN or FIGO stage ≥III were significantly associated with both recurrence [5-year RFS; HR = 4.52, 95% confidence interval (CI) = 1.73-11.80] and death (5-year OS; HR = 6.04, 95% CI = 1.97-18.57). Conclusion: SUVmax ≥ 3.3 for PALN and FIGO stage ≥III were significant adverse factors in patients with primary squamous cervical carcinoma and PLN or PALN metastasis detected by CT/MRI.

Original languageEnglish
Pages (from-to)493-501
Number of pages9
JournalEuropean Journal of Nuclear Medicine and Molecular Imaging
Volume35
Issue number3
DOIs
StatePublished - 03 2008
Externally publishedYes

Keywords

  • Overall survival
  • Positron emission tomography
  • Recurrence-free survival
  • Standardized uptake value
  • Uterine cervical neoplasms

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