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Diagnostic ultrasound ( PDFDrive )

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CHAPTER 4 The Liver 99

A

B

C

D

FIG. 4.32 Portal Vein Thrombosis: Benign and Malignant. Malignant thrombus: transverse views of (A) the vein at the porta hepatis and

(B) left ascending left portal vein. Both are distended with occlusive thrombus. Benign thrombus: (C) transverse and (D) sagittal images of simple,

bland nonocclusive thrombus in the left portal vein at the porta hepatis.

A

B

FIG. 4.33 Cavernous Transformation of Portal Vein. (A) Gray-scale image. (B) Color Doppler image. Numerous periportal collateral vessels

are present.

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