Unusual benign focal liver lesions: findings on real-time contrast-enhanced sonography

Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine
Hui-Xiong XuLi-Da Chen

Abstract

This presentation aims to provide an overview of the manifestations of some unusual benign focal liver lesions (FLLs) on low-acoustic power contrast-enhanced sonography (CES) with a sulfur hexafluoride contrast agent. The patients were selected retrospectively from 2209 cases with FLLs who had undergone CES examinations for characterization during the past 3 years. The pathologic examinations proved that they were intrahepatic biliary cystadenoma (n = 1), angiomyolipoma (AML; n = 4), lipoma (n = 1), biliary epithelial dysplasia (n = 1), a fungal inflammatory mass (n = 1), tuberculoma (n = 2), an inflammatory pseudotumor (n = 7), sarcoidosis (n = 1), solitary necrotic nodules (n = 2), peliosis hepatis (n = 2), and focal fibrosis after surgery (n = 4). Contrast-enhanced sonography was beneficial in leading to a diagnosis of benignity for some lesions showing hyperenhancement during the arterial phase and sustained enhancement during the portal or late phase, such as liver AML and lipoma. The benign nature of other lesions showing no enhancement during all phases, such as solitary necrotic nodules and focal fibrosis, was also suggestible. On the other hand, for those lesions showing hyperenhancement, isoenhancement, or hypoenhance...Continue Reading

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Citations

May 26, 2010·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Bing-Sheng CaoZhong-Yuan Wang
Dec 17, 2010·World Journal of Radiology·Hui-Xiong Xu
Jul 1, 2010·Journal of Medical Ultrasonics·Hui-Xiong Xu, Ming-De Lu
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Dec 18, 2015·World Journal of Gastroenterology : WJG·Daniele CrocettiGian Luca Grazi
Dec 17, 2010·World Journal of Radiology·Grace Lai-Hung WongXiao-Yan Xie
Sep 3, 2009·The British Journal of Radiology·Z WangM-D Lu

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