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A case of early syphilitic hepatitis mimicking an intrahepatic bile duct tumor Shintaro Yamamoto 1 1Department of Radiology Kansai Medical University Keyword: 早期梅毒肝炎 , 肝内胆管癌 , CT , MRI pp.705-709
Published Date 2023/7/10
DOI https://doi.org/10.18888/rp.0000002393
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A man in his 40s presented with the chief complaint of poor blood sugar control. Evaluation showed elevated carcinoembryonic antigen(CEA)and carbohydrate antigen 19-9(CA19-9)levels. Three months later, he developed widespread expansion of erythema and papules mainly on the extremities, and was found to be positive for Treponema pallidum antibodies and rapid plasma reagin(RPR)tests based on which he was diagnosed with syphilis infection. In addition, biochemical examinations showed elevated biliary enzymes, and computed tomography and magnetic resonance images showed a diffuse mass lesion in the liver, necessitating differentiation between intrahepatic cholangiocarcinoma and inflammatory lesions. Liver biopsy showed inflammatory cell infiltration around the interlobular bile ducts, consistent with syphilitic hepatitis. He was finally diagnosed with early syphilitic hepatitis due to rapid reduction of the liver mass with antibiotic treatment, improvement of biliary enzymes, reduction of intrahepatic mass lesions, and normalization of tumor markers.


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電子版ISSN 印刷版ISSN 0009-9252 金原出版

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