Screening for distant metastases in head and neck cancer patients by chest CT or whole body FDG-PET: A prospective multicenter trial

Asaf Senft, Remco de Bree*, Otto S. Hoekstra, Dirk J. Kuik, Richard P. Golding, Wim J.G. Oyen, Jan Pruim, Frank J. van den Hoogen, Jan L.N. Roodenburg, C. René Leemans

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

78 Citations (Scopus)

Abstract

Background and purpose: The aim of the study was to define the added value of whole body FDG-PET in screening for distant metastases in patients with head and neck squamous cell carcinoma and risk factors. Materials and methods: In a multi-center prospective study between 1998 and 2003, 145 consecutive HNSCC patients with risk factors for distant metastases underwent chest CT and whole body FDG-PET for screening of distant metastases. The data of 92 evaluable patients who developed distant metastases or who had a follow-up of at least 12 months were analyzed. Besides their performance in clinical practice, the operational characteristics of PET and CT using ROC analyses were investigated. Results: Pretreatment screening identified distant metastases in 19 patients (21%). FDG-PET had a higher sensitivity (53% vs. 37%) and positive predictive value (80% vs. 75%) than CT. The combination of CT and FDG-PET had the highest sensitivity (63%). The ROC analyses of the five point ordinal scales revealed that the "area under the curve" (AUC) of FDG-PET was significantly higher as compared to CT. Conclusion: In HNSCC patients with risk factors, pretreatment screening for distant metastases by chest CT is improved by FDG-PET.

Original languageEnglish
Pages (from-to)221-229
Number of pages9
JournalRadiotherapy and Oncology
Volume87
Issue number2
DOIs
Publication statusPublished - 1 May 2008

Keywords

  • CT
  • Distant metastases
  • FDG-PET
  • Head and neck cancer
  • Screening

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