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EOB-MRI findings of peliosis hepatis:a report of two cases Masaki Sato 1 1Department of Radiology Ryukyu University Hospital Keyword: 肝紫斑病 , EOB-MRI , 多血性肝腫瘍 pp.123-130
Published Date 2024/1/10
DOI https://doi.org/10.18888/rp.0000002621
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Case 1 was a woman in her 60s. Plain CT for preoperative examination of renal cell carcinoma revealed two low-density tumors in the liver. Contrast-enhanced CT showed one lesion with nodular areas of enhancement that expanded over time and another lesion that exhibited overall enhancement in early phase, indicating prolonged enhancements. On the hepatobiliary phase of EOB-MRI some high-intensity areas were observed at the margin or on the center of the tumor. Partial hepatectomy was performed in addition to laparoscopic nephrectomy. Histopathological examination revealed dilation of the sinusoids and central veins. The final diagnosis was peliosis hepatis. Case 2 was a man in his 60s. Hepatic masses were found by abdominal ultrasound incidentally. Contrast-enhanced CT showed various enhancement patterns. EOB-MRI showed faint high-intensity areas at the margin or on the center of the tumor in the hepatobiliary phase. A diagnosis of peliosis hepatis was obtained by liver biopsy. In the differential diagnoses of liver tumors with delayed enhancement such as hemangiomas, peliosis hepatis should be considered when high intensity areas were observed at the margin or the center of the tumor in the hepatobiliary phase of EOB-MRI.


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電子版ISSN 印刷版ISSN 0009-9252 金原出版

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