MR IAC Cholesteotoma WO ENT Protocol
Scan Notes: Use this protocol for Adults and Pediatric Patients
Last updated: 12/2/19
Charge as: IAC WO
Scanner preference: MR4, DCH7, Beaverton, or MR2 (if pt has implant not safe on 3T). Never on iMRI.
Coil: Head
Plane | Weighting | Mode | Slice | Gap | FAT SAT | FOV | Notes |
---|---|---|---|---|---|---|---|
SAG | T1 | TSE | 4mm | 1mm | None | 23cm | Scalp to Scalp |
AXIAL | FLAIR | TSE | 4mm | 1mm | None | 23cm | Whole Head |
AXIAL | DWI | DWI | 3mm | 0.3mm | SPIR | 15cm | Whole Head |
AXIAL | DWI High Res Voxel through IAC | DWI | 2mm | 0.2mm | SPIR | 15cm | Only on 3T. Cover IAC |
AXIAL | T2 FAT SAT | TSE | 4mm | 1mm | SPIR | 23cm | Whole Head |
AXIAL | T2 High Res Long TE | TSE | 1mm | 0mm | None | 15cm | IAC |
MPR RT IAC SAG OBLIQUE See notes for recon details | Recon from AX T2 High Res Long TE | - | MPR 0.5mm | MPR 0mm | - | midline of brainstem through semicircular canals. | Sagittal oblique through right IAC, perpendicular to the right IAC, 0.5 mm/0mm skip, midline of brainstem through semicircular canals. |
MPR RT IAC SAG OBLIQUE See notes for recon details | Recon from AX T2 High Res Long TE | - | MPR 0.5mm | MPR 0mm | - | midline of brainstem through semicircular canals. | Sagittal oblique through right IAC, perpendicular to the right IAC, 0.5 mm/0mm skip, midline of brainstem through semicircular canals. |
COR | T1 | TSE | 2mm | 0mm | None | 18cm | IAC |
AXIAL | T1 | TSE | 2mm | 0mm | None | 18cm | IAC |