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Case Reports
. 2008 Apr;22(3):215-9.
doi: 10.1007/s12149-007-0107-y. Epub 2008 May 23.

Extrapancreatic F-18 FDG accumulation in autoimmune pancreatitis

Motohiro Sato  1 , Toshiyuki Okumura, Yasukazu Shioyama, Jyouji Imura
Affiliations
Case Reports

Extrapancreatic F-18 FDG accumulation in autoimmune pancreatitis

Motohiro Sato et al. Ann Nucl Med. 2008 Apr.

Abstract

We report two cases of autoimmune pancreatitis (AIP) in which fluorine-18 fluorodeoxyglucose (FDG) showed moderate accumulation in the pancreas, as well as in bilateral submandibular glands and in multifocal lymph nodes. FDG positron emission tomography (PET)/computed tomography (CT) is a useful diagnostic tool to assess the extrapancreatic lesions of AIP, which is a recently proposed new clinicopathological entity named immunoglobulin G4 (IgG4)-related systemic disease. Recognition of the FDG-PET/CT findings of IgG4-related sclerosing disease is crucial to avoid unnecessary surgery or other intervention because of similarities to malignant lymphoma or malignant tumor with multiple lymph node metastases.

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