Uncommon imaging features in patients with autoimmune pancreatitis
Autoimmune pancreatitis (AIP) is a special type of inflammation of the pancreas, its common imaging features have been well known by radiologists and have served as the indispensable evidence for establishing the diagnosis of AIP. Whereas we have also found that in addition to the common imaging features in clinical practice, AIP sometimes presents with uncommon imaging features such as the pancreatic duct dilation, pancreatic cystic lesions, involvement of peripancreatic blood vessels, pancreatic calcification and pancreatic duct stones, marked pancreatic parenchymal atrophy within one year following steroids treatment, concurrent malignant tumors, and so on. In order to deepen comprehensive recognition for the imaging manifestations of AIP, this article introduced the uncommon CT and MRI findings of AIP.
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