CH 16 CEUS Flashcards

1
Q

When is initial and peak enhancement for CEUS of the liver?

A

starts about 10s
peak 20-30s
then uniform perfusion

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2
Q

benign or malignant lesion?

A

malignant

Benign liver lesions typically enhance to a similar
degree as the surrounding liver parenchyma at peak enhancement, whereas neoplastic lesions lack the portal venous blood supply and remain hypoperfused at peak enhancement (Figure 16.4).

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3
Q

How do malignant liver lesions behave on CEUS?

A

they stay hypoperfused, because they don’t have portal supply (which is where the contrast comes from)

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4
Q

Liver CEUS has what level of sensitivity for differentiating benign / malignant lesions ?

A

97%,

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