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Fig. 12B Pulsating linear or punctate contrast-enhanced sonography pattern in
occlusive malignant thrombus in 63-year-old woman. Oblique contrast-enhanced
sonography scan with longitudinal view of left branch of portal vein during
arterial phase. Thrombus appears as predominantly nonenhancing area that
reproduces shape of vessel lumen; within its borders is pulsating linear
signal, which is indicative of arterial neovascularization.