GE OPTIMA MR360 Service Training page 163

HNA coil consists of three parts: Anterior part, Posterior part and Horseshoe adapter.
There are 14 elements in HNA. Not all the elements will be used during scanning. Different
elements will be used in different scan mode.
HNA itself has four scan modes, which are Brain, NV, C Spine, C spine with adapter. And CT
Spine mode can only be available when combining HNA and PA.
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