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Ultrasound demonstration of variations in normal portal vein diameter with posture

N Rahim, E J Adam

The British Journal of Radiology

|April 1, 1985

Abstract:

The portal vein diameter has been measured in 100 fasting patients in both the supine and left lateral decubitus positions. We have demonstrated that the vessel diameter increases by up to 100% in the latter position. The significance of this finding is discussed.

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