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Insights into Imaging
Fig. 1 | Insights into Imaging

Fig. 1

From: CT and MR imaging features of mixed neuroendocrine–non-neuroendocrine neoplasm of the pancreas compared with pancreatic ductal adenocarcinoma and neuroendocrine tumor

Fig. 1

MiNEN of the pancreatic tail in a 63-year-old woman. a Unenhanced CT scan shows an ill-defined mass with a size of 8.0 cm. The CT value of the tumor is 39 HU. b Arterial phase CT scan shows peripheral moderate enhancement of the mixed solid and cystic lesion. The CT value of the tumor is 67 HU. c Portal phase CT scan shows heterogeneous enhancement with a central fill-in appearance. The CT value of the tumor is 75 HU. d Fat suppressed T2-weighted axial MR image indicates the hyperintense mass with significantly higher signal inside the lesion which was proven to be necrosis on histopathology. e Coronal fat suppressed 2D-FIESTA image shows a blurred interface between the tumor and the adjacent colon (arrows) which indicates that the fat filled gap disappears and the tumor infiltrates into surrounding intestinal wall. It is one typical sign of adjacent colon invasion which was confirmed by pathological results. f Diffusion-weighted MR image reveals relative hyperintense tumor indicating restricted diffusion

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