Radiology - Research Publications

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Author: Sutherland, Thomas × Author: Chong, Lynn × Author: Fox, Adrian × Type: Journal Article ×

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    Contrast-enhanced sonographic appearances of two primary hepatic epithelioid angiomyolipomas
    Chai, V ; Fox, A ; Chong, L ; House, E ; Sutherland, T (WILEY, 2020-06)
    Epithelioid hepatic angiomyolipoma (Epi-HAML) is a rare hepatic tumor frequently misdiagnosed as hepatocellular carcinoma (HCC). Unlike conventional angiomyolipoma (AML), Epi-HAML contains minimal amount of adipose tissue, which is a radiological distinguishing feature between AML and HCC. Two patients were referred for management of incidentally found hepatic lesions confirmed to be Epi-HAML on post-resection tissue analysis. CT and MRI findings were suggestive of HCC. Contrast-enhanced ultrasound demonstrated intratumoral shunting, a feeding artery, and early draining hepatic vein. These findings should alert radiologists to the possibility of Epi-HAML. Furthermore, these features may be better assessed by contrast-enhanced ultrasound due to its superior dynamic temporal resolution.