Review Article

From Pathogenesis, Clinical Manifestation, and Diagnosis to Treatment: An Overview on Autoimmune Pancreatitis

Table 4

Comparisons of diagnostic criteria in different countries.

Diagnostic criteriaJapanese criteria(2006) [55]SIHORts (2006) [57]Korean criteria (2007) [56]Asian criteria (2008) [58]

A: imagingDiffuse or segmental narrowing of the MPD; diffuse or localized enlargement of the pancreasTypical imaging features: diffusely enlarged gland with delayed (rim) enhancement; diffusely irregular and attenuated MPD
Atypical imaging features: focal pancreatic mass, focal pancreatic duct stricture
Diffuse enlargement of pancreas and diffuse or segmental irregular narrowing of MPDTypical imaging features: diffusely enlarged gland with delayed (rim) enhancement; diffusely irregular and attenuated MPD
Atypical imaging features: focal pancreatic mass, focal pancreatic duct stricture

B: serologyHigh serum γ globulin, IgG, IgG4, or the presence of autoantibodiesElevated serum IgG4 levelElevated levels of IgG and/or IgG4 or detected autoantibodiesHigh level of serum IgG or IgG4 or detected autoantibodies

C: histologyInfiltration of lymphocytes and plasma cellsLymphoplasmacytic infiltrate with storiform fibrosis showing abundantFibrosis and lymphoplasmacytic infiltrationLymphoplasmacytic infiltration with fibrosis, with abundant
IgG4-positive cell infiltration
(>10 cells/HPF) IgG4-positive cells

D: other organ involvementNot includedBiliary stricture, parotid/lacrimal gland involvement, mediastinal lymphadenopathy, retroperitoneal fibrosisIncludedNot included

E: steroid effectNot includedIncludedIncludedIncluded

Definite diagnosisCriterion A + B
Criterion A + C
Criterion A + B
Criterion A + C
Criterion A + D
Criterion A + E
Criterion A + B
Criterion A + C
Criterion A + D
Criterion A + E
Criterion A + B
Criterion A + C
Histology shows the presence of lymphoplasmacytic sclerosing pancreatitis in the resected pancreas