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Copyright ©2009 Baishideng Publishing Group Co.
World J Radiol. Dec 31, 2009; 1(1): 37-44
Published online Dec 31, 2009. doi: 10.4329/wjr.v1.i1.37
Figure 1
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Figure 1 Intrahepatic cholangiocarcinoma. A: Baseline ultrasound shows an isoechoic mass in segment 5 of the liver; B: The lesion shows peripheral rim-like hyper-enhancement 26 s after contrast agent injection on CEUS; C: The lesion becomes hypo-enhanced 52 s after contrast agent injection; D: The lesion continues to be hypo-enhanced 121 s after contrast agent injection.
Figure 2
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Figure 2 Klatskin tumor. A: Baseline ultrasound shows a hyperechoic mass (arrow) in the hilar bile duct; B: The lesion (arrow) shows homogeneous hyper-enhancement 14 s after contrast agent injection on CEUS; C: The lesion (arrow) becomes hypo-enhanced 45 s after contrast agent injection; D: The lesion (arrow) continues to be hypo-enhanced 126 s after contrast agent injection.
Figure 3
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Figure 3 Gallbladder carcinoma. A: Baseline ultrasound shows an isoechoic mass (arrow) in the gallbladder cavity; B: The lesion (arrow) shows hypervascularity on color Doppler flow imaging; C: The lesion (arrow) shows homogeneous hyper-enhancement 19 s after contrast agent injection on CEUS; D: The lesion (arrow) becomes hypo-enhanced 34 s after contrast agent injection.
Figure 4
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Figure 4 Extrahepatic cholangiocarcinoma. A: Baseline ultrasound shows an isoechoic mass (arrow) in the lower portion of the common bile duct; B: The lesion (arrow) shows heterogeneous iso-enhancement 13 s after contrast agent injection on CEUS; C: The lesion (arrow) continues to be iso-enhanced 56 s after contrast agent injection; D: The lesion (arrow) becomes hypo-enhanced 107 s after contrast agent injection.