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HFO TMJ with ST Neck coil

ExamCard
Syrenius, Paula Philips Healthcare Philips Global

HFO TMJ with ST Neck-coil

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ExamCard purpose

This release 2.1.3 ExamCard is optimized for scanning tempomandibular joints (TMJ) with the ST Neck coil resulting in high resolution and excellent image quality.

Positioning

This ExamCard is designed for both anatomical and semi-kinematical imaging of TMJ using the ST Neck coil. The joints may also be scanned using the ST SENSE Head coil.

 

Place the coil on the tabletop in reverse position so that the open side of the coil facilitates functional TMJ-imaging. The coil cable outlet is towards the patient. For the patient comfort and to prevent outlet loading, the coil cable needs to be isolated and supported with pads (see photos).

 

Position the patient's head in the ST Neck coil. Make sure the TM-joint is in the middle of the coil.

The headset doesn't necessarily fit in but use ear plugs instead and communicate through the loudspeaker.

 

This ExamCard is feasible for release 2.1.3 upwards.

 

Semi-kinematical scan

Dynamic semi-kinematics are scanned with the mouth closed, partially open and completely open. For this purpose it is recommended to have a tool/holder to adjust well-defined openings. The dynamic series has 3 phases (corresponding to different positions) and 5 slices on each side.You can change the number of the phases and slices to fit the patient. The scan time is 0:56 min. per phase. The manual start between dynamics enables you to instruct the patient.

ExamCard overview

TMJ
Scan 1Survey closed mouth
Scan 2Ref scan
Scan 3T1w SE Sag
Scan 4PDw TSE Sag/Tra
Scan 5T2w TSE Sag
Scan 6T1w FFE Cor
Scan 7STIR longTE Sag
Scan 8Survey open mouth fully
Scan 9PDw TSE open mouth fully
Scan 10Dyn T2*FFE 3 different phases

ExamCard images

Slice positioning for sagittal plane T1w Sag Voxel size 0.56*0.8*2.5 mm
FOV 100 mm
Scan time 3:21 minT2w Sag Voxel size 0.56*0.76*2.5 mm
FOV 100 mm
Scan time 2:42 min
Slice positioning for sagittal plane
T1w Sag
T2w Sag
Voxel size 0.56*0.8*2.5 mm FOV 100 mm Scan time 3:21 min
Voxel size 0.56*0.76*2.5 mm FOV 100 mm Scan time 2:42 min
STIR Sag Voxel size 0.69*0.83*2.5 mm
FOV 100 mm
Scan time 4:02 minSlice positioning for Coronal plane T1w Cor Voxel size 0.5*0.7*2.5 mm
FOV 100 mm
Scan time 4:17 min
STIR Sag
Slice positioning for Coronal plane
T1w Cor
Voxel size 0.69*0.83*2.5 mm FOV 100 mm Scan time 4:02 min
Voxel size 0.5*0.7*2.5 mm FOV 100 mm Scan time 4:17 min
PDw Sag 0.62*0.78*2.5 mm
FOV 100 mm
Scan time 3:07 minPDw Tra 0.62*0.78*2.5 mm
FOV 130 mm
Scan time 3:07 minPDw open mouth 0.63*0.79*2.5 mm
FOV 100 mm
Scan time 2:12 min
PDw Sag
PDw Tra
PDw open mouth
0.62*0.78*2.5 mm FOV 100 mm Scan time 3:07 min
0.62*0.78*2.5 mm FOV 130 mm Scan time 3:07 min
0.63*0.79*2.5 mm FOV 100 mm Scan time 2:12 min
T2w dyn1 closed Voxel size 0.7*0.89*2.5 mm, 
5 slices each side, 
3 phases, 
Scan time 0:56 min each phase.T2w dyn2 open a little T2w dyn3 completely open
T2w dyn1 closed
T2w dyn2 open a little
T2w dyn3 completely open
Voxel size 0.7*0.89*2.5 mm, 5 slices each side, 3 phases, Scan time 0:56 min each phase.
 Reversed neck coil positioning. Cabels covered with pads. The patient can easily put the support between the teeth when scanned with the mouth open.
Reversed neck coil positioning.
Cabels covered with pads.
The patient can easily put the support between the teeth when scanned with the mouth open.


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Oct 16, 2008

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ExamCard
Panorama HFO
Release 2
Pulsar
Musculoskeletal, TMJ
 

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