MR Orbits WWO ENT Protocol

Scan Notes: 
Adults: Use 3mm slice, 0.5mm gap for orbit sequences
Peds: Use 2mm slice, 0.5mm gap for orbit sequences

Last updated:3/28/19
Charge as: Orbits WWO
Scanner preference: 1.5T preferred, OK on 3T
Coil: Head

Plane Weighting Mode Slice Gap FAT SAT FOV Notes
AXIAL DWI 2mm Voxel SE EPI 3mm 0.3mm SPIR 23cm Whole Brain. Angle to Corpus- Skull Base to Vertex (must include all of orbits)
COR T1 TSE 2-3mm 0.5mm None 18cm Lens to mid Pons
COR T2 fs TSE 2-3mm 0.5mm STIR 18cm Lens to mid Pons
AXIAL T1 TSE 2-3mm 0.5mm None 18cm Occlusal plane to above orbits
AXIAL T2 fs TSE 2-3mm 0.5mm SPIR 18cm Occlusal plane to above orbits

Contrast injection

Plane Weighting Mode Slice Gap FAT SAT FOV Notes
AXIAL T1 fs TSE 2-3mm 0.5mm SPIR 18cm Occlusal plane to above orbits
COR T1 fs TSE 2-3mm 0.5mm SPIR 18cm Lens to mid Pons
OBL SAG R T1 fs TSE 2-3mm 0.5mm SPIR 18cm Angle to Optic Nerve
OBL SAG L T1 fs TSE 2-3mm 0.5mm SPIR 18cm Angle to Optic Nerve
MR Orbits WO ENT Protocol image 1
MR Orbits WO ENT Protocol image 2