Differences between diffuse and focal autoimmune pancreatitis

To investigate differences in clinical features between diffuse- and focal-type autoimmune pancreatitis (AIP).Based on radiological findings by computed tomography and/or magnetic resonance imaging, we divided 67 AIP patients into diffuse type (D type) and focal type (F type). We further divided F type into head type (H type) and body and/or tail type (B/T type) according to the location of enlargement. Finally, we classified the 67 AIP patients...