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Fig. 6 | EJNMMI Physics

Fig. 6

From: Phantom study and clinical application of total-body 18F-FDG PET/CT imaging: How to use small voxel imaging better?

Fig. 6

Typical cases with false-positive and false-negative lesions. A 35-year-old female was diagnosed with liver metastases from rectal cancer (a–j). G512-3 (c), G1024-3 (g), and G1024-5 (h) showed a positive lesion that was not present on images from longer acquisition times and MR images. It was identified as a false positive. A 58-year-old male was diagnosed with adenocarcinoma of the colon with multiple metastases to the liver (k–t). G192-5 (c), G512-5 (n), G512-8 (o), G512-10 (p), G1024-8 (s), and G1024-10(t) showed a positive lesion in the right lobe of the liver(pointed by blue arrows), which could not be seen in the rest of sub-figures. It was identified as a false negative in G192-3 (k), G512-3 (m), G1024-3 (q), and G1024-5 (r)

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