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Insights into Imaging
Fig. 1 | Insights into Imaging

Fig. 1

From: Radiomic analysis will add differential diagnostic value of benign and malignant pulmonary nodules: a hybrid imaging study based on [18F]FDG and [18F]FLT PET/CT

Fig. 1

Representative dual-tracer PET/CT images of two cases. a Patient 1, male, 87 years old, malignant PN (lung cancer) (A–C). [18F]FDG PET/CT images show a small nodule without smooth, well-marginated borders, which lied near the aortic arch in the upper lobe of the left lung. The size was about 1.1 × 1.2 cm. Besides, higher glucose uptakes were observed within the nodule (SUVmax: 6.94) (D–F). [18F]FLT PET/CT images indicate higher tracer uptakes inside the nodule (SUVmax: 2.12). b Patient 2, male, 59 years old, benign PN (tuberculosis) (A–C). [18F]FDG PET/CT images show an irregularly shaped nodule with badly defined borders, which stood close to the pleura in the upper lobe of the right lung. The size was around 2.6 × 2.4 cm. Besides, there were tracer accumulation within the nodule (SUVmax: 8.26) (D–F). [18F]FLT PET/CT images indicated higher tracer uptakes inside the nodule (SUVmax: 2.48)

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