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Insights into Imaging
Fig. 1 | Insights into Imaging

Fig. 1

From: Advanced endoscopic interventions on the pancreas and pancreatic ductal system: a primer for radiologists

Fig. 1

In a 55-year-old male with clinical and laboratory diagnosis of acute pancreatitis (AP), initial contrast-enhanced multidetector CT (MDCT, a) showed mild peripancreatic oedema and a limited region of nonenhancing parenchyma (arrowhead) at the pancreatic tail. Follow-up unenhanced (b) and post-contrast (c) CT showed development of a bilobated hypoattenuating collection (*) in the lesser sac. A month later, MRI confirmed diagnosis of non-infected walled-off pancreatic necrosis (WOPN) by showing persistent collection (*) with internal low-signal debris on T2-weighted images (d), without restricted diffusion on apparent diffusion coefficient (ADC) map (e). Note superimposition of collection (*) on the main pancreatic duct (MPD, arrow) on MR-cholangiopancreatography (MRCP) image (f)

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