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Autoimmune pancreatitis that developed over a 3-month observation period for IgG4-related dacryoadenitis and
Misato Amaki1, Terumi Kamisawa2, Taku Tabata1
1Department of Internal Medicine, Tokyo Metropolitan Komagome Hospital, 3-18-22 Honkomagome, Bunkyo-ku, Tokyo, 113-8677, Japan.
Abstract:
Autoimmune pancreatitis (AIP) that developed in a short period in a patient with IgG4-related dacryoadenitis and sialadenitis is reported. A 67-year-old man was diagnosed as having IgG4-related dacryoadenitis and sialadenitis histologically, serologically, and radiologically. At that time, the pancreas was normal on computed tomographic scanning, magnetic resonance imaging, and 18F-fluorodeoxyglucose positron emission tomography. However, AIP occurred in the pancreatic body and tail during the 3-month period of observation of the initial diseases. All IgG4-related lesions improved promptly after steroid therapy. This report emphasizes that, since IgG4-related disease can develop in other organs within a short period in a patient with IgG4-related disease, periodic imaging follow-up is necessary.
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