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Autoimmune pancreatitis

Case contributed by Bruno Di Muzio
Diagnosis almost certain

Presentation

Mildly elevated lipase.

Patient Data

Age: 30 years
Gender: Male

Pancreas

ct

The pancreas has equivocally enlarged appearances with loss of the pancreatic clefts. No peripancreatic fat stranding or fluid. The main pancreatic duct is not dilated. The remainder of the abdominal viscera is normal. 

Pancreas

mri

The pancreas is enlarged with loss of its clefts, shows delayed enhancement in the multiphase post-contrast sequences, and has marked restricted diffusion. 

Case Discussion

This patient had elevated IgG4 levels. Further imaging follow-up with MRI performed 6 months later reviewed normal pancreas (images not shown). 

The imaging and clinical picture are those of autoimmune pancreatitis

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