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Contrast-Enhanced Ultrasound LI-RADS LR-5 in Hepatic Tuberculosis: Case Report and Literature Review of Imaging Features
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Contrast-Enhanced Ultrasound LI-RADS LR-5 in Hepatic Tuberculosis: Case Report and Literature Review of Imaging Features
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Journal Article
Contrast-Enhanced Ultrasound LI-RADS LR-5 in Hepatic Tuberculosis: Case Report and Literature Review of Imaging Features
2021
Overview
Background: The liver is involved in disseminated tuberculosis in more than 80% of cases while primary liver involvement is rare, representing <1% of all cases. Hepatic tuberculosis (TB) can be treated by conventional anti-TB therapy; however, diagnosing this disease remains a challenge. The diagnosis might be particularly difficult in patients with a single liver lesion that could be misdiagnosed as a tumor or other focal liver lesions. Although computed tomography (CT) and magnetic resonance imaging (MRI) findings have been described, there is a paucity of literature on contrast-enhanced ultrasound (CEUS) features of hepatic TB. Case Summary: herein, we describe a case of a patient with tuberculous lymphadenopathy and chronic Hepatitis C Virus (HCV)-related liver disease who developed a single macronodular hepatic TB lesion. Due to the finding of a hepatocellular carcinoma (HCC) highly suggestive CEUS pattern, specifically a LR5 category according to the Liver Imaging Reporting and Data System (LI-RADS), and a good response to antitubercular therapy, a non-invasive diagnosis of HCC was made, and the patient underwent liver resection. We also review the published literature on imaging features of hepatic TB and discuss the diagnostic challenge represented by hepatic TB when occurs as a single focal liver lesion. Conclusions: this report shows for the first time that the CEUS pattern of hepatic TB might be misinterpreted as HCC and specific imaging features are lacking. Personal history and epidemiological data are mandatory in interpreting CEUS findings of a focal liver lesion even when the imaging pattern is highly suggestive of HCC.
Publisher
MDPI AG
