Fig. 4From: Imaging presentation of pancreatic neuroendocrine neoplasmsInsulinoma. CT: a small insulinoma appearing as a hypervascular hyperdense nodule (a) in the pancreatic head. MRI: the small insulinoma is well detectable as a hyperintense nodule (b) on T2-weighted coronal images and hypervascular (c) in the dynamic phaseBack to article page