Normal main portal vein diameter measured on CT is larger than the widely referenced upper limit of 13 mm.

Elizabeth R StammJeffrey M MeierSajal S PokharelToshimasa ClarkDeborah H GlueckKimberly E LindKatherine M Roberts

Published in: Abdominal radiology (New York) (2018)

Normal mean portal vein diameter measured on CT was significantly larger (mean 15.5 mm) than the accepted upper limit of 13 mm. Contrast-enhanced main portal veins are significantly larger (0.56 mm) than unenhanced. Sex, height, and BMI significantly affect main portal vein diameter.

Keyphrases

contrast enhanced
dual energy
diffusion weighted
computed tomography
magnetic resonance imaging
magnetic resonance
optic nerve
body mass index
diffusion weighted imaging
image quality
positron emission tomography
weight gain
weight loss