PMC4560139_01
A case of Gd-EOB-DTPA-enhanced MRI findings of huge AML. In the T1W in-phase image (A), the tumor itself is mixed intense in hypointense surroundings. In the in-phase hyperintense signal areas (white arrow), the loose signal in the T1W out-of-phase image (B) is consistent with the fat content (F). In the arterial phase image (C), a minor part of the tumor was remarkably enhanced (arrow) and this part is consistent with meandering blood vessels (G). In DWI, (D) MRI displays an obvious hyperintense signal, whereas in the hepatobiliary phase (E), it shows a homogenous hypointense signal. Major parts of the tumor are consistent with the smooth muscle cell component/components (H), and these lesions were positive for HMB-45 and Melan-A.
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Fig1
Early enhancement with delayed washout was clearly detected in three patients, but the tumor border was irregular without capsular formation (Figure 1).
A case of AML with early venous return. CT angiography via the left hepatic artery showed a patchy enhanced tumor in S3 with early venous return to left hepatic vein (arrow).
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Fig2
Early venous return was detected in three patients with CT angiography (Figure 2).