Abdominal ultrasonography

K. Inui, J. Yoshino, H. Miyoshi, S. Yamamoto

Research output: Chapter in Book/Report/Conference proceedingChapter

2 Citations (Scopus)

Abstract

Autoimmune pancreatitis (AIP) type 1 is characterized by diffuse or local enlargement of the pancreas demonstrated by imaging modalities, increased serum IgG4, and pathologic findings of abundant infiltration by IgG4-positive plasma cells, obliterative phlebitis, and storiform fibrosis [1, 2]. Pathologically, AIP type 2 shows lesions with neutrophilic infiltrates representing idiopathic duct-centric chronic pancreatitis [3]. In Japan, AIP type 1 is common, while AIP type 2 is rare, differing from frequencies in the USA and Europe. Abdominal ultrasonography (US) is the initial imaging examination performed following blood tests in patients with jaundice, exacerbation of diabetes mellitus, or abdominal pain – all common symptoms of AIP. Sometimes, AIP is detected in asymptomatic patients by mass screening programs [4]. In this section, we describe US findings in AIP type 1.

Original languageEnglish
Title of host publicationAutoimmune Pancreatitis
PublisherSpringer Berlin Heidelberg
Pages69-72
Number of pages4
ISBN (Electronic)9783642550867
ISBN (Print)9783642550850
DOIs
Publication statusPublished - 01-01-2015
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Medicine(all)

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