The clinical significance of incidental intra-abdominal findings on positron emission tomography performed to investigate pulmonary nodules

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Abstract
Lung cancer is a common cause of cancer-related death. Staging typically includes positron emission tomography (PET) scanning, in which18F-fluoro-2-dexoy-D-glucose (FDG) is taken up by cells proportional to metabolic activity, thus aiding in differentiating benign and malignant pulmonary nodules. Uptake of FDG can also occur in the abdomen. The clinical significance of incidental intraabdominal FDG uptake in the setting of pulmonary nodules is not well established. Our objective was to report on the clinical significance of incidental intra-abdominal FDG activity in the setting of lung cancer.

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