Neutrophils, monocytes and macrophages arise from common precursors, explaining much of their functional and phenotypical overlap. However, these cells also have complementary functions during the ...

shows granulocytic infiltration of the duct wall (termed GEL) and absent or minimal IgG4-postive cells. Additionally, type 2 AIP patients are unlikely to have serum IgG4 elevation or other organ ...