Abstract #1800
Numerical Comparison of a Dedicated Paediatric Radiofrequency Array with Existing Adult Coil Designs
Gemma R. Cook 1 , Martin J. Graves 1,2 , Fraser J. Robb 3 , and David J. Lomas 1
1
Department of Radiology, University of
Cambridge, Addenbrooke's Hospital, Cambridge, United
Kingdom,
2
MRIS,
Cambridge University Hospitals NHS Foundation Trust,
Addenbrooke's Hospital, Cambridge, United Kingdom,
3
GE
Healthcare Coils, Aurora, OH, United States
A lack of dedicated paediatric coil designs means adult
coils must often be employed in MRI of infants. This
study simulated the sensitivity and acceleration
potential of such adult coils and an in-house 1.5T
prototype with two wrap configurations (providing body
conformity different patient sizes). Code was written to
calculate the noise correlation matrix and element B1-
field profiles for an array, then produce the resultant
uniform noise and sum of squares maps. Though all
designs had similar accelerated SNR performance, the
prototype showed increased B1- uniformity and higher SOS
values in phantom and infant models.
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