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. 2018 Feb;59(2):210–215. doi: 10.2967/jnumed.117.196303

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© 2018 by the Society of Nuclear Medicine and Molecular Imaging.

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FIGURE 1. — (A) Coronal maximum-intensity projection (MIP) and corresponding axial PET and fused PET/CT images derived from first 10 and last 10 min of 30-min dynamic ¹⁸F-FDG lymphography scan. Prolonged retention of radioactivity is seen in metastatic (red circles) versus healthy (blue circles) popliteal lymph nodes after ¹⁸F-FDG lymphography in mice implanted with B16F10 tumors on right hind paw. (B) Relative activity ratios between metastatic and healthy nodes are significantly higher 20 min after intraindividual peak uptake. (C) When displayed over time, longer retention of activity in metastatic nodes is evident, and from minute 13 after intraindividual peak uptake, relative activities remain significantly higher in metastatic nodes than in intraindividual healthy control nodes (P < 0.05).