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Fig. 13B —Pulsating multilinear or multipunctate contrast-enhanced sonography
pattern in occlusive malignant thrombus in 68-year-old man. Oblique subcostal
contrast-enhanced sonography scan with longitudinal view of right branch
portal vein during initial portal phase. Thrombus (arrow) appears as
predominantly nonenhancing area reproducing shape of vessel lumen. Multiple
pulsating punctate and linear signals indicative of arterial
neovascularization are visible within its borders. Only proximal lumen of
portal vein appears enhanced.
