Imaging diagnosis of IgG4-related dacryoadenitis and sialadenitis (IgG4-DS) and Sjögren's syndrome (SS): Imagine features on various modalities

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Abstract

The imaging features of salivary glands of IgG4-DS on various imaging modalities were retrospectively analyzed, and the differences in the imaging features between IgG4-DS and SS were shown. Submandibular gland sonography showed characteristic hypoechoic nodal/reticular changes in most cases of IgG4-DS. FDG-PET/CT and gallium scintigraphy showed high accumulation in the swollen salivary glands. Sonography, FDG-PET/CT, and gallium scintigraphy are effective imaging modalities for distinguishing IgG4-DS from other conditions, including SS.

Original languageEnglish
Pages (from-to)1056-1065
Number of pages10
JournalJapanese Journal of Clinical Radiology
Volume59
Issue number8
Publication statusPublished - Aug 2014

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All Science Journal Classification (ASJC) codes

  • Radiology Nuclear Medicine and imaging

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