CT — Mielografie (MCB)
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MCB Radiology — 17 Myelogram
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- 2026-09-27
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Documentul original MCB — Mielografie
Protocol · 4 pagini · consultat la 2026-09-27.
Descarcă PDF-ul integral · Sursa MCB · Catalogul MCB pentru această modalitate
Instrucțiunile, valorile și ilustrațiile din documentul original sunt păstrate în engleză. Titlul și navigarea sunt în română.
Pagina 1
Pagina 2
Pagina 3
Pagina 4
Textul documentului original
Pagina 1 — text în engleză
Updated 05/03/25 CT Myelogram Reviewed 05/14/25 Indications - pain, stenosis, spondylosis, spondylolisthesis, radiculopathy, extremity weakness, extremity paresthesia, disc rupture, disc herniation, mass, pre/post surgical evaluation. GENERAL SCAN NOTES Remove any metal from the imaging field of view. Inform the procedure radiologist if there is not adequate opacification of the thecal sac. For Cervical Spine: Keep patient's arms by his/her side if possible. Topogram / Craniocaudal Scan Coverage - skull base through T1. For Thoracic Spine: Move patient's arms over head if possible. Topogram / Craniocaudal Scan Coverage - C7 through L1. Have patient roll 3 times immediately before getting on the table to mix contrast. For Lumbar Spine: Move patient's arms over head if possible. Topogram / Craniocaudal Scan Coverage - T12 through bottom of SI joints. Have patient roll 3 times immediately before getting on the table to mix contrast. Adjust FOV (field of view) on topogram to smallest without cropping anatomy. IV Contrast: not given for this protocol. For GE scanners, it is essential for the 1st recon thickness on the scanner to match the 1st recon thickness in this protocol book for the prescribed Noise Index to be valid. The 1st recon should generally be the thickest recon in the protocol.
Pagina 2 — text în engleză
CT Myelogram SIEMENS PARAMETERS & RECONS For Cervical Spine only exams: Scan
Care
Mode kV mAs Care
Dose kV & Lvl Pitch Acq Coll Rot Time Sensation 16 spiral 120 250 on NA 0.80 16 0.75 0.75 Go Up 32 spiral 130 129 on on 195 0.80 32 0.7 1.0 Sensation 64 spiral 120 250 on NA 0.90 64 0.6 1.0 Definition 64 spiral 120 275 on on 0.80 64 0.6 1.0 Go Top 64 spiral 120 150 on on 195 0.80 64 0.6 1.0 Drive 128 spiral 120 193 on on 0.80 128 0.6 1.0 Force 192 spiral 120 193 on on 0.80 192 0.6 1.0 For any exam that includes the Thoracic and/or Lumbar spine: Thoracic only, Lumbar only, Cervical/Thoracic/Lumbar, Cervical/Thoracic and Thoracic/Lumbar Scan
Care
Mode kV mAs Care
Dose kV & Lvl Pitch Acq Coll Sensation 16 spiral 120 300 on NA 0.80 16 1.5 Go Up 32 spiral 130 182 on on 285 0.80 32 0.7 Sensation 64 spiral 120 300 on NA 0.90 64 0.6 Definition 64 spiral 120 330 on on 0.80 64 0.6 Go Top 64 spiral 120 219 on on 285 0.80 64 0.6 Drive 128 spiral 120 232 on on 0.80 128 0.6 Force 192 spiral 130 193 on on 0.80 192 0.6 RECONS Recon
Name of Series Thick Interval Kernel Window IR
Lvl Direction AX SOFT 3.0 3.0 Br40 / H31s abdomen 3 head/feet AX BONE 3.0 3.0 Br59 / H70s bone/osteo 3 head/feet COR BONE 3.0 3.0 Br59 / H70s bone/osteo 3 front/back SAG BONE 3.0 3.0 Br59 / H70s bone/osteo 3 left/right Also send the following recon for cervical spine exams. AX THINS 0.75 0.75 Br40 / H31s bone/osteo 3 head/feet
Care
Mode kV mAs Care
Dose kV & Lvl Pitch Acq Coll Rot Time Sensation 16 spiral 120 250 on NA 0.80 16 0.75 0.75 Go Up 32 spiral 130 129 on on 195 0.80 32 0.7 1.0 Sensation 64 spiral 120 250 on NA 0.90 64 0.6 1.0 Definition 64 spiral 120 275 on on 0.80 64 0.6 1.0 Go Top 64 spiral 120 150 on on 195 0.80 64 0.6 1.0 Drive 128 spiral 120 193 on on 0.80 128 0.6 1.0 Force 192 spiral 120 193 on on 0.80 192 0.6 1.0 For any exam that includes the Thoracic and/or Lumbar spine: Thoracic only, Lumbar only, Cervical/Thoracic/Lumbar, Cervical/Thoracic and Thoracic/Lumbar Scan
Care
Mode kV mAs Care
Dose kV & Lvl Pitch Acq Coll Sensation 16 spiral 120 300 on NA 0.80 16 1.5 Go Up 32 spiral 130 182 on on 285 0.80 32 0.7 Sensation 64 spiral 120 300 on NA 0.90 64 0.6 Definition 64 spiral 120 330 on on 0.80 64 0.6 Go Top 64 spiral 120 219 on on 285 0.80 64 0.6 Drive 128 spiral 120 232 on on 0.80 128 0.6 Force 192 spiral 130 193 on on 0.80 192 0.6 RECONS Recon
Name of Series Thick Interval Kernel Window IR
Lvl Direction AX SOFT 3.0 3.0 Br40 / H31s abdomen 3 head/feet AX BONE 3.0 3.0 Br59 / H70s bone/osteo 3 head/feet COR BONE 3.0 3.0 Br59 / H70s bone/osteo 3 front/back SAG BONE 3.0 3.0 Br59 / H70s bone/osteo 3 left/right Also send the following recon for cervical spine exams. AX THINS 0.75 0.75 Br40 / H31s bone/osteo 3 head/feet
Pagina 3 — text în engleză
CT Myelogram GE PARAMETERS & RECONS For Cervical Spine only exams: Scan
Smart
Slice
Beam
Dose
ASIR Type SFOV kV mA
Range Noise
Index mA Thick Coll Pitch Speed Rot
Time Red LS 16 helical large 120 100-440 12.00 on 2.5 20 1.375 27.50 0.5 NA NA Opt 540 helical large 120 100-440 12.00 on 2.5 20 1.375 27.50 0.5 NA NA LS VCT 64 helical small bdy 120 100-450 12.00 on 2.5 40 1.375 55.00 0.5 20 20 Disc VCT 64 helical small bdy 120 100-450 12.00 on 2.5 40 1.375 55.00 0.5 NA NA For any exam that includes the Thoracic and/or Lumbar spine: Thoracic only, Lumbar only, Cervical/Thoracic/Lumbar, Cervical/Thoracic and Thoracic/Lumbar Scan
mA
Smart
Slice
Beam
Dose
Pitch Speed Rot
ASIR Type SFOV kV Range Noise
Index mA Thick Coll Time Red LS 16 helical large 120 100-440 13.50 on 2.5 20 1.375 27.50 0.5 NA NA Opt 540 helical 100-440 13.50 on 2.5 20 1.375 large 120 27.50 0.5 NA NA LS VCT 64 helical large body 120 100-450 on 2.5 16.00 40 1.375 55.00 0.5 20 20 Disc VCT 64 helical large body 120 100-450 16.00 on 2.5 40 1.375 55.00 0.5 NA NA RECONS Window
Recon Name of Series Thickness Interval Recon
Algorithm Width/Level Direction AX SOFT 2.5 2.5 std full Must be first recon. 400/40 head/feet AX BONE 2.5 2.5 bone full 2500/480 head/feet COR BONE 2.5 2.5 bone full 2500/480 front/back SAG BONE 2.5 2.5 bone full 2500/480 left/right Also send the following recon for cervical spine exams. AX THINS 0.625 0.625 bone plus full 2500/480 head/feet
Smart
Slice
Beam
Dose
ASIR Type SFOV kV mA
Range Noise
Index mA Thick Coll Pitch Speed Rot
Time Red LS 16 helical large 120 100-440 12.00 on 2.5 20 1.375 27.50 0.5 NA NA Opt 540 helical large 120 100-440 12.00 on 2.5 20 1.375 27.50 0.5 NA NA LS VCT 64 helical small bdy 120 100-450 12.00 on 2.5 40 1.375 55.00 0.5 20 20 Disc VCT 64 helical small bdy 120 100-450 12.00 on 2.5 40 1.375 55.00 0.5 NA NA For any exam that includes the Thoracic and/or Lumbar spine: Thoracic only, Lumbar only, Cervical/Thoracic/Lumbar, Cervical/Thoracic and Thoracic/Lumbar Scan
mA
Smart
Slice
Beam
Dose
Pitch Speed Rot
ASIR Type SFOV kV Range Noise
Index mA Thick Coll Time Red LS 16 helical large 120 100-440 13.50 on 2.5 20 1.375 27.50 0.5 NA NA Opt 540 helical 100-440 13.50 on 2.5 20 1.375 large 120 27.50 0.5 NA NA LS VCT 64 helical large body 120 100-450 on 2.5 16.00 40 1.375 55.00 0.5 20 20 Disc VCT 64 helical large body 120 100-450 16.00 on 2.5 40 1.375 55.00 0.5 NA NA RECONS Window
Recon Name of Series Thickness Interval Recon
Algorithm Width/Level Direction AX SOFT 2.5 2.5 std full Must be first recon. 400/40 head/feet AX BONE 2.5 2.5 bone full 2500/480 head/feet COR BONE 2.5 2.5 bone full 2500/480 front/back SAG BONE 2.5 2.5 bone full 2500/480 left/right Also send the following recon for cervical spine exams. AX THINS 0.625 0.625 bone plus full 2500/480 head/feet
Pagina 4 — text în engleză
CT Myelogram PHILIPS PARAMETERS & RECONS For Cervical Spine only exams: Scan
Dose
3D
Mode kV Avg
mAs Index Dose Pitch Detect Colli Rot Time Incisive 128 helical 120 162 24 on 0.80 64 0.625 1.00 For any exam that includes the Thoracic and/or Lumbar spine: Thoracic only, Lumbar only, Cervical/Thoracic/Lumbar, Cervical/Thoracic and Thoracic/Lumbar Scan
Dose
3D
Mode kV Avg
mAs Index Dose Pitch Detect Colli Rot Time Incisive 128 helical 120 162 24 on 1.00 64 0.625 0.75 RECONS Name of Series Thick Interval Filter Window iDose Recon
Direction AX SOFT 3.0 3.0 B abdomen 3 head/feet AX BONE 3.0 3.0 YB bone 3 head/feet COR BONE 3.0 3.0 YB bone 3 front/back SAG BONE 3.0 3.0 YB bone 3 left/right Also send the following recon for cervical spine exams. AX THINS 0.8 0.8 YC bone 2 head/feet
Dose
3D
Mode kV Avg
mAs Index Dose Pitch Detect Colli Rot Time Incisive 128 helical 120 162 24 on 0.80 64 0.625 1.00 For any exam that includes the Thoracic and/or Lumbar spine: Thoracic only, Lumbar only, Cervical/Thoracic/Lumbar, Cervical/Thoracic and Thoracic/Lumbar Scan
Dose
3D
Mode kV Avg
mAs Index Dose Pitch Detect Colli Rot Time Incisive 128 helical 120 162 24 on 1.00 64 0.625 0.75 RECONS Name of Series Thick Interval Filter Window iDose Recon
Direction AX SOFT 3.0 3.0 B abdomen 3 head/feet AX BONE 3.0 3.0 YB bone 3 head/feet COR BONE 3.0 3.0 YB bone 3 front/back SAG BONE 3.0 3.0 YB bone 3 left/right Also send the following recon for cervical spine exams. AX THINS 0.8 0.8 YC bone 2 head/feet