Brief Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Aug 7, 2012; 18(29): 3883-3888
Published online Aug 7, 2012. doi: 10.3748/wjg.v18.i29.3883
Table 1 Histological criteria for International Consensus Diagnostic Criteria
Level 1Level 2
Type 1 AIP
Histology of the pancreasLPSP (core biopsy/resection)LPSP (core biopsy)
At least 3 of the following:Any 2 of the following:
(1) Periductal lymphoplasmacytic infiltrate without granulocytic infiltration(1) Periductal lymphoplasmacytic infiltrate without granulocytic infiltration
(2) Obliterative phlebitis(2) Obliterative phlebitis
(3) Storiform fibrosis(3) Storiform fibrosis
(4) Abundant (> 10 cells/HPF) IgG4-positive cells(4) Abundant (> 10 cells/HPF) IgG4-positive cells
Type 2 AIP
Histology of the pancreas (core biopsy/resection)IDCP
Both of the following:Both of the following:
(1) GEL with or without granulocytic acinar inflammation (2) Absent or scant (0-10 cells/HPF) IgG4-positive cells(1) Granulocytic and lymphoplasmacytic acinar infiltrate (2) Absent or scant (0-10 cells/HPF) IgG4-positive cells