does 2-deoxy-2-[F-18]fluoro-D-glucose-positron emission tomography predict tumor biology?
OBJECTIVES: Tumor glycolytic activity as determined by 2-deoxy-2-[F-18]fluoro-D-glucose-positron emission tomography (FDG-PET) imaging is an important marker of tumor biology and provides critical information about the behavior of most malignancies at different stages of the disease. This study was undertaken to determine whether the degree of FDG uptake differs between the primary breast lesions with varying disease burden at diagnosis in proven cases of breast carcinoma. MATERIALS AND METHODS: Among 250 patients enrolled for this prospective study, 174 patients with newly diagnosed breast carcinoma at different disease stages who had undergone dual time point FDG-PET before any therapeutic or surgical interventions were considered for inclusion in this analysis. These patients prospectively underwent multimodality imaging techniques, such as magnetic resonance imaging (MRI), ultrasonography, digital mammography, computed tomography (CT), and dual time point FDG-PET, as a component of