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TemporomandibularJoint
MRIProtocolsoftheESSRArthri<sSubcommi=ee
Recommenda<onsoftheESSRArthri<sSubcommi=eefortheUseofMagne<cResonanceImaginginMusculoskeletalRheuma<cDiseases.SeminMusculoskeletRadiol2015;19:396–411
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Ax=axial
CE=contrastenhanced
Cor=coronal
FOV=fieldofview
FS=fatsuppressed
PD=protondensity
Sag=sagi=al
TE=echo<me(ms)
TMJ=Temporomandibularjoint
TR=repe<<on<me(ms)
Acronyms
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MRIscan
• Pa<entinsupineposi<onwiththeheadfirst
• Headcoil
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Localizer:Inflammatorydisease
Coronal plane: refer to the axial plane, orient the scan parallel to thecondyleofthemandible(i.e.,ofthesamesidethathastobeexamined).Checkthecorrectposi<oningonthesagi=alplane.
Axial plane: refer to the sagi=al plane, orient the scan parallel to thehardpalateandcovertheen<reTMJfrom thecorpuscallosum uptotheangleofthejaw.If the head is <lted, the angula<on has to be adjusted on the coronalplane.
Sagi0alplane:refertotheaxialplane,orientthescanperpendiculartothe condyle of the mandible (i.e., of the same side that has to beexamined).Checkthecorrectposi<oningontheothertwoplanes.If the head is <lted, the angula<on has to be adjusted on the coronalplane.
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CorT1(orAxT1)
AxT2FS(orSTIRorTIRM)
CorT2FS(orSTIRorTIRM)
CorT2
RecommendedSequences:Inflammatorydisease
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Localizer:Jointderangement
Sagi0aloblique:- refertotheaxialplane- orient the scanperpendicular to the
condyleof themandible (i.e., of thesameside)
- check the correct posi<oning on theothertwoplanes
- thenumberofsliceshastocoverthejointfromsidetoside
TheMRscanhastobeperformed:• withthemouthopenedandclosed• ontherightandontheleaTMJ
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SagobliquePDFSmouthclosed SagobliquePDFSmouthopened
RecommendedSequences:Jointderangement
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SagobliquePDmouthclosed SagobliquePDmouthopened
RecommendedSequences:Jointderangement
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MRIprotocols
RecommendedSequences
FOV(mm)
Slicethickness(mm)
TR(ms)
TE(ms)
Matrix
CorT1 230 3 420-620 10 256x256
AxT2 230 5 2500-5500 90 256x256
CorT2FS 230 3 2500-5000 100 256x256
CorT2 230 3 2200-3200 100 256x256
CET1FS(forsynovi<sand/orostei<s)
140 2.5 420-620 10 256x256
PDFSobliquemouthclosed&opened
140 2.5 2200-3200 24 256x256
PDobliquemouthclosed&opened
140 2.5 2200-3200 24 256x256
Inflammatory
disease
Joint
derangem
ent
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• AndreaKlauser,Austria• IwonaSudoł-Szopińska,Poland
Contributors
ProjectCoordinators
• ChiaraGiraudo,Italy• HannesPlatzgummer,Austria