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Multi-center trial with protocols and prototype test objects for the assessment of MRI equipment. EEC Concerted
R A Lerski1, D W McRobbie, K Straughan
1Department of Medical Physics, Hammersmith Hospital, London, U.K.
Magnetic Resonance Imaging
|March 1, 1988
Abstract:
A trial was carried out in which the protocols and prototype test objects developed under a European Economic Community concerted research project for the assessment of MR imaging equipment were tested in a series of commercial imaging systems situated throughout Europe. In general, many imperfections were discovered in the imaging performance of the scanners and, in particular, the accuracy and precision with which the relaxation times T1 and T2 could be measured from the images were found to be rather disappointing.