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. Author manuscript; available in PMC: 2016 Oct 1.
Published in final edited form as: Radiology. 2016 Mar 29;281(1):193–202. doi: 10.1148/radiol.2016151155

Figure 1.

Figure 1

Axial (a–c) PET/MR and (d) PET/CT images in a 64-year-old woman with a history of left breast cancer metastatic to lung and bone obtained to monitor response during chemotherapy. A liver metastasis (arrow) is seen on the PET/MR images (a–c) but not on the PET/CT image (d). The metastasis is best seen as an area of high signal intensity on the diffusion-weighted image (a), with corresponding low signal intensity on the apparent diffusion coefficient map (b). There is minimal corresponding FDG uptake on the fused diffusion-weighted and PET image (c). This metastasis was also seen on contrast-enhanced T1-weighted images (not shown). This metastasis is not seen on PET/CT images (d).