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Insights into Imaging
Fig. 5 | Insights into Imaging

Fig. 5

From: Dual-energy CT with virtual monoenergetic images and iodine maps improves tumor conspicuity in patients with pancreatic ductal adenocarcinoma

Fig. 5

Transverse contrast-enhanced images of a 58-year-old man with visually isoattenuating pancreatic ductal adenocarcinoma (PDAC) at the pancreatic head (arrows). Tumor was difficult to detect in PEI (f), which showed a ill-defined mass. As the energies decreased (a–e), the contrast between the tumor and normal parenchyma appeared to improve. In this case, tumor presented a slightly low density area on iodine maps (g, h). The NICtumor value of 1.6 mg/mL was significantly lower than the NICparenchyma value of 2.7 mg/mL

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