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KMID : 1103720100620060533
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Journal of the Korean Society of Radiology
2010 Volume.62 No. 6 p.533 ~ p.540
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Acute Cholangitis without Biliary Obstruction: Causes and Radiologic Features
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Jo Jeong-Hyun
Cho jin-Han
Kwon Hee-Jin
Yoon Seong-Kuk
Kang Myong-Jin
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Abstract
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Purpose: The aim of this study is to determine the causes of acute cholangitis without the biliary obstruction and radiological findings.
Materials and Methods: This study was performed retrospectively. A total of 135 patients diagnosed with acute cholangitis in a clinical setting based on the review of the radiologic findings from an ultrasonogram (USG), computed tomogram (CT), or magnetic resonance images (MRI). Among them, patients with a biliary obstruction as a result of a stone, tumor, lymph node, stricture were excluded. A total of 31 patients had acute cholangitis without a definite biliary obstruction. We analyzed their causes and imaging features with the USG and CT image.
Results: The causes of acute cholangitis without biliary obstruction included Clonorchis sinensis cholangitis in 15 cases (48%), post-operative swelling after gastrojejunostomy, pylorus preserved partial duodenectomy, and choledochojejunostomy in 7 cases (22.6%), recent spontaneous passage of a distal CBD stone in 3 cases (9.7%), compression effect by the large duodenal diverticulum in 2 cases (6.5%), and unknown causes in 4 cases (12.9%).
Conclusion: Acute cholangitis may be associated without a distal biliary obstruction. USG, CT, or MR imaging can provide precise information as well as help to differentiate the causes of acute cholangitis.
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KEYWORD
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Biliary Track Diseases, Cholangitis, Tomography, X-Ray Computed, Magnetic Resonance Imaging, Ultrasonogrpahy, Acute Diseases
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