A case of progressive vaccinia complicating chronic lymphocytic leukaemia is reported. At necropsy a vaccinial pneumonia, focal pancreatitis, and evidence of disseminated intravascular coagulation were found. Epithelial proliferation was noted in sweat glands, bronchi, and pancreatic ducts associated with lesions in these sites. The significance of these findings is discussed.

Histopathology of type 2 AIP The pancreas of patients with type 2 AIP is often only focally involved. The region that seems to be most often affected is the pancreatic head including the pancreatic portion of the distal bile duct. As in type 1 AIP, the outstanding histologic feature is a periductal lymphoplasmacytic infiltrate usually affecting some or all of the medium sized ducts (Figure 1). ...