Autoimmune pancreatitis classification
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:
Overview
There is no established system for the classification of [disease name].
OR
[Disease name] may be classified according to [classification method] into [number] subtypes/groups: [group1], [group2], [group3], and [group4].
OR
[Disease name] may be classified into [large number > 6] subtypes based on [classification method 1], [classification method 2], and [classification method 3]. [Disease name] may be classified into several subtypes based on [classification method 1], [classification method 2], and [classification method 3].
OR
Based on the duration of symptoms, [disease name] may be classified as either acute or chronic.
OR
If the staging system involves specific and characteristic findings and features: According to the [staging system + reference], there are [number] stages of [malignancy name] based on the [finding1], [finding2], and [finding3]. Each stage is assigned a [letter/number1] and a [letter/number2] that designate the [feature1] and [feature2].
OR
The staging of [malignancy name] is based on the [staging system].
OR
There is no established system for the staging of [malignancy name].
Classification
- Autoimmune pancreatitis may be classified into two types.
- Type 1 AIP
- Type 2 AIP
Type 1 AIP:
- Type 1 AIP meets the HISORt criteria.[1][2]
- Type 1 AIP involves pancreas as one part of a systemic IgG4-positive disease.
| Criteria | |
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| (H) | Histology suggestive of autoimmine pancreatitis |
| (I) | Pancreatic imaging suggestive of autoimmine pancreatitis |
| (S) | Serology (IgG4 ≥2 times the upper limit of normal) |
| (O) | Other organ involvement
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| (Rt) | Response to steroid treatment |
Type 2 AIP:
References
- ↑ Chari ST, Takahashi N, Levy MJ, Smyrk TC, Clain JE, Pearson RK, Petersen BT, Topazian MA, Vege SS (2009). "A diagnostic strategy to distinguish autoimmune pancreatitis from pancreatic cancer". Clin. Gastroenterol. Hepatol. 7 (10): 1097–103. doi:10.1016/j.cgh.2009.04.020. PMID 19410017.
- ↑ Chari ST, Smyrk TC, Levy MJ, Topazian MD, Takahashi N, Zhang L, Clain JE, Pearson RK, Petersen BT, Vege SS, Farnell MB (2006). "Diagnosis of autoimmune pancreatitis: the Mayo Clinic experience". Clin. Gastroenterol. Hepatol. 4 (8): 1010–6, quiz 934. doi:10.1016/j.cgh.2006.05.017. PMID 16843735.