Loading…

What is the best fruit juice to use as a negative oral contrast agent in magnetic resonance cholangiopancreatography?

To identify, in vitro, the best fruit juice to use as oral contrast agent in magnetic resonance cholangiopancreatography (MRCP) and to test, in vivo, the best natural juice and the new parameters in MRCP sequences identified in vitro. The in vitro evaluations consisted of measuring the T2 values of...

Full description

Saved in:
Bibliographic Details
Published in:Clinical radiology 2019-03, Vol.74 (3), p.220-227
Main Authors: Renzulli, M., Biselli, M., Fabbri, E., Caretti, D., Sergenti, A., Modestino, F., Giannone, F.A., Storchi, M., Pierotti, L., Golfieri, R.
Format: Article
Language:English
Subjects:
Citations: Items that this one cites
Items that cite this one
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:To identify, in vitro, the best fruit juice to use as oral contrast agent in magnetic resonance cholangiopancreatography (MRCP) and to test, in vivo, the best natural juice and the new parameters in MRCP sequences identified in vitro. The in vitro evaluations consisted of measuring the T2 values of a pure solution of manganese (Mn) and iron (Fe) at different concentrations, measuring the content of Mn and Fe in five commercial juices and their T2 relaxation times, and identifying the optimal juice dilution for suppressing the gastrointestinal fluid signal. The new parameters of MRCP sequences were tested in vivo. Manganese alone strongly influenced the shortening of the T2 values (p=0.004). The T2 value with an echo time (TE) of ≥1,000 ms enabled sufficient intestinal fluid suppression in the case of high juice dilution. A flip angle of 90° maximised the differences between the high signal from static fluids, such as the bile and the fluid in the gastrointestinal tract, using fast imaging employing steady-state acquisition (FIESTA) sequences (p
ISSN:0009-9260
1365-229X
DOI:10.1016/j.crad.2018.11.005