Fig. 1From: Medullary carcinoma of the pancreas radiologically followed up as a cystic lesion for 9 years: a case report and review of the literatureRadiologic findings. a, b Dynamic computed tomography. A solid mass in the pancreatic body (indicated by an arrow) is enhanced at the arterial phase (a), and the enhancement is prolonged at the delayed phase (b). c Endoscopic ultrasonography. A tumor developed in the main pancreatic duct (a dotted circle). d Endoscopic retrograde cholangiopancreatography. The main pancreatic duct of the distal portion is markedly dilated because the solid tumor obstructs fluid passageBack to article page