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Copyright ©2011 Baishideng Publishing Group Co.
World J Gastroenterol. Apr 28, 2011; 17(16): 2080-2085
Published online Apr 28, 2011. doi: 10.3748/wjg.v17.i16.2080
Table 1 Endoscopic ultrasonography features of autoimmune pancreatitis
Extrahepatic bile ductGallbladderLymph nodes1Peripancreatic vessels
Diffuse AIPFocal AIP
EUSGland volume: increasedGland volume: focal enlargement/sCaliber: dilatedWall: diffuse and uniform thickening, “sandwich-pattern”1Volume: enlarged (also substantially)Loss of interface between pancreas and portal or mesenteric veins1
Echotexture: echopoor, with echogenic interlobular septaEchotexture: echopoor, with echogenic interlobular septaWall: diffuse and uniform thickening, “sandwich-pattern”1Echotexture: echopoor
Gland border: thickenedSites: liver hylum, peripancreatic, celiac
Wirsung: narrowedWirsung: narrowed within the lesion, dilated upstream to the lesion
Wirsung wall: thickened1Wirsung wall: thickened1
IDUSWall: diffuse and uniform thickening, “sandwich-pattern”; differential diagnosis with cholangiocarcinoma1