Salivary gland tumors are rare neoplasms that have not been extensively studied with (18)F-FDG-PET- or PET/CT up to now. This review aims to evaluate the diagnostic performance of PET in this particular setting, analyzing the available literature. A comprehensive literature search in the PubMed/MEDLINE, Embase and Scopus databases was performed including articles up to November 2014, resulting in the selection of 22 articles. The studies selected suggest that: (1) PET is not useful in discriminating benign from malignant SGTs because of the overlap of uptake in both conditions; (2) PET not only is complementary to conventional imaging techniques for the staging and restaging but in some cases could also be superior to them; (3) PET may often have a highly positive impact on clinical decision making. Despite many limitations affecting the analysis, PET seems to be useful in SGTs. However, more extensive studies and cost-effectiveness analyses are desirable to determine its correct position in the diagnostic flow chart.
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