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. 2023 May;64(5):724–730. doi: 10.2967/jnumed.122.264470

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FIGURE 1. — Disease sites captured by HER2 and ¹⁸F-FDG PET. (A) ¹⁸F-FDG PET, MRI, and HER2 PET images from a patient with cerebellar metastasis. The images shown are from a patient with de novo metastatic HER2+ GEJ poorly differentiated carcinoma with mixed adeno and squamous differentiation. HER2 PET (right) demonstrated a right cerebellar metastasis (SUV 2.6) without corresponding uptake on ¹⁸F-FDG PET (left) and confirmed on brain MRI (middle). (B) Number of lesions identified by HER2 PET and ¹⁸F-FDG PET among all patients. Total number of lesions avid on HER2 PET (red) and ¹⁸F-FDG PET (blue) is shown. Total numbers of lesions better identified only on HER2 (orange) or ¹⁸F-FDG PET (green) are also shown.