Differential Tumor Biology Between Locoregional and Distant Metastasis in a TENIS Patient with Tyrosine Kinase Inhibitor–Resistant Recurrent Disease: Comparative Evaluation with 18F-FDG, 68Ga-DOTATATE, and 68Ga-PSMA-11 PET/CT

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FIGURE 1.
Images showing soft tissue in retropharyngeal space with tracheal invasion and posteriorly abutting prevertebral fascia. (A) Maximum-intensity-projection anterior PET images: ¹⁸F-FDG, ⁶⁸Ga-DOTATATE, and ⁶⁸Ga-PSMA-11 (from left to right). (B–D) Axial CT, PET/CT, and PET images (from left to right) obtained with ¹⁸F-FDG (B), ⁶⁸Ga-DOTATATE (C), and ⁶⁸Ga-PSMA (D).
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FIGURE 2.
Axial lung-window images at 3 different levels showing non–tracer-avid multiple bilateral lung nodules: CT (A), ¹⁸F-FDG PET/CT (B), ⁶⁸Ga-DOTATATE PET/CT (C), and ⁶⁸Ga-PSMA PET/CT (D).