Management of autoimmune pancreatitis
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autoimmune pancreatitis, lymphoplasmacytic sclerosing pancreatitis, idiopathic duct centric pancreatitis, treatment, corticosteroids

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Akshintala, V. S., & Singh, V. K. (2020). Management of autoimmune pancreatitis. Herald of Pancreatic Club, 48(3), 13-17.

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The article contains modern data on such a chronic pancreatic disease as autoimmune pancreatitis (AIP). Statistical data on the prevalence and incidence of AIP are presented, the current international classification of this pathology is considered, the main features of type 1 AIP (lymphoplasmacytic sclerosing pancreatitis, LPSP) and type 2 AIP (idiopathic duct centric pancreatitis, IDCP) are put forward. The clinical manifestation of these types is different: obstructive jaundice develops more often in patients with LPSP, while patients with IDCP mostly have acute pancreatitis. The presence and variety of extrapancreatic manifestations of the disease with extremely frequent concomitant development of ulcerative colitis is emphasized. The features of serological diagnosis of AIP and the role of IgG4 level in determining the type of disease are considered. The proper techniques of AIP instrumental diagnostics are listed, the typical changes detected during computed tomography and the distinctive histological characteristics of LPSP and IDCP are considered. The feasibility of a differential diagnosis between AIP and pancreatic cancer is indicated by analyzing the results of serological, imaging, and histological studies. The algorithm of management of AIP patients depending on the type of disease is described, as well as the tactics of prescribing corticosteroids, immunomodulators upon LPSP and IDCP. Immunomodulators of choice (mycophenolate mofetil, azathioprine) are indicated, and rituximab administration features are considered. Possible signs of AI recurrence are listed (IgG4-sclerosing cholangitis, high IgE level).
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