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KMID : 1103720180790060348
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Journal of the Korean Society of Radiology
2018 Volume.79 No. 6 p.348 ~ p.353
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Hepatic Pseudolymphoma Mimicking a Hypervascular Tumor: A Case Report
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Im Bo-Ra
Jang Suk-Ki
Yeon Jae-Woo
Paik So-Ya
Park Sang-Jong
Kim Hyuk-Jung
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Abstract
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Hepatic pseudolymphoma is a rare benign liver mass that is characterized by proliferation of non-neoplastic lymphocytes extranodally. To the best of our knowledge, only 46 cases have been reported in the English literature. We described the case of a 75-year-old woman with hepatic pseudolymphoma mimicking a hypervascular tumor. After the histological confirmation of the rectal neuroendocrine tumor, CT scan revealed a 1.0 cm-sized, poorly-defined and low-density nodule in the liver. On MRI, the hepatic nodule showed an arterial enhancement and a low-signal intensity on the hepatobiliary phase. On diffusion-weighted imaging, the hepatic nodule showed a high signal intensity on a high b-value. On fluorodeoxyglucose (FDG) positron emission tomography (PET)/CT, it revealed a high standardized uptake value nodule. The US showed the hypoechoic nodule and the US-guided biopsy confirmed the hepatic pseudolymphoma.
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KEYWORD
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Liver, Pseudolymphoma, Multidetector Computed Tomography, Magnetic Resonance Imaging, Ultrasonography
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