RESUMO
The patient was a woman, aged 69, diagnosed with acute pancreatitis by a local physician; simultaneously, with US, a low-echo tumor was indicated in the pancreas' uncinate process. Diagnosis was made of acute pancreatitis resulting from a pancreatic IPMN, and the patient was referred. Ultrasound showed hypoechoic tumor images accompanied by posterior echo enhancement. With radiography-CT, from the pancreas parenchymal phase, the peripheral portion was densely stained, while internally, images showed densely stained dendriforms towards the equilibrium phase. With MRI T1-weighted images, there was appearance at low intensity, and with T2-weighted images, there was appearance at high intensity; with MRCP, there was depiction at relatively high intensity. In the final pathological diagnosis, there was prominent formation of mucinous nodules, and mucinous carcinoma including large quantity of mucous.
