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Figure 2 | World Journal of Surgical Oncology

Figure 2

From: 18 F-fluoro-deoxy-glucose focal uptake in very small pulmonary nodules: fact or artifact? Case reports

Figure 2

The misinterpreted nodule. 18 F-FDG PET-CT (June 2009): CT (a), PET (b), and fused (c) axial images. Focal 18 F-FDG uptake is evident in the posterior segment of the upper right lobe of the lung, projecting onto a vascular bifurcation of peripheral lung vessels (black arrow). (d) Axial high-resolution CT image (July 2009): a rounded image interpreted as a mucoid impaction (white arrow) is evident in the posterior segment of the upper right lobe. (e) Axial high-resolution CT image (October 2009): a 7 mm pulmonary nodule corresponding to the site of 18 F -FDG uptake (white arrow) is revealed. 18 F-FDG PET-CT (November 2009): CT (f), PET (g) and fused (h) axial images. Clear evidence of a pulmonary nodule (black arrow) characterized by intense metabolic activity in the posterior segment of the upper right lobe.

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