Table 1 HRCT and MRI protocols for pre-operative imaging and considerations in children
From: Pre- and post-operative imaging of cochlear implants: a pictorial review
HRCT | MRI (3T preferred) |
|---|---|
120–140 kVp, 100 mAs Helical scan, pitch 0.8–0.9 FOV 15–16 cm 0.5–0.6-mm-slice thickness Sharp kernels, W/L: 4000/500 Slice orientation: axial and coronal | T2w 2-mm-slice thickness, axial, and coronal orientation CISS-3D or vendor-specific equivalent 0.8 slice thickness, axial orientation T1w/T1wC+(contrast-enhanced) fat sat, 2-mm-slice thickness, axial orientation Non-EPI-DWI 2-mm-slice thickness, coronal orientation Contrast media: history of inflammation/infection |
Children Sedation +/− Radiation dose + | Children Sedation/general anesthesia + Radiation dose − |