Retrospective Study
Copyright ©The Author(s) 2021.
World J Gastroenterol. Nov 14, 2021; 27(42): 7376-7386
Published online Nov 14, 2021. doi: 10.3748/wjg.v27.i42.7376
Table 2 Comparison of endoscopic ultrasound features between the diffuse and focal types of autoimmune pancreatitis patients
EUS findings
All (n = 285)
Diffuse type (n = 214)
Focal type (n = 71)
P value
Typical findings
DHA213 (74.7)197 (92.1)16 (22.5)< 0.001
FHA59 (20.7)0 (0)59 (83.1)< 0.001
Bile duct changes
Bile duct wall thickening195 (68.4)158 (73.4)37 (52.1)0.001
Intrapancreatic bile duct stenosis165 (57.9)131 (61.2)34 (47.9)0.05
Extrahepatic bile duct dilation122 (42.8)97 (45.3)25 (35.2)0.14
Peripancreatic changes
Peripancreatic lymphadenopathy89 (31.2)72 (33.6)17 (23.9)0.13
Peripancreatic hypoechoic margin81 (28.4)76 (35.5)5 (7.0)< 0.001
Lobular outer margin40 (14.0)34 (15.9)6 (8.5)0.12
Peripancreatic vessel involvement21 (7.4)16 (7.5)5 (7.0)0.90
Chronic pancreatitis changes
Parenchymal changes
HF271 (95.1)202 (94.4)69 (97.2)0.531
HS174 (61.1)131 (61.2)43(60.6)0.92
Cystic lesion18 (6.3)14 (6.5)4 (5.6)1.001
Parenchymal calcification3 (1.1)2 (0.9)1 (1.4)1.001
Lobularity with honeycombing26 (9.1)19 (8.9)7 (9.9)0.80
Lobularity without honeycombing48 (16.8)36 (16.8)12 (16.9)0.99
Main pancreatic duct changes
MPD calculi1 (0.4)0 (0)1 (1.4)0.561
MPD dilation48 (16.8)30 (14.0)18 (25.3)0.03
Diffuse stenosis/irregularity29 (10.2)20 (9.3)9 (12.7)0.42
Focal stenosis11 (3.9)6 (2.8)5 (7.0)0.151
Hyperechoic duct margin119 (41.8)91 (42.5)28 (39.4)0.65