CT — Părți moi cervicale (MCB)
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MCB Radiology — 11 Neck Soft Tissue
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- 2026-09-27
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Documentul original MCB — Părți moi cervicale
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
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Pagina 4
Textul documentului original
Pagina 1 — text în engleză
Updated 05/03/24 CT Neck Soft Tissue Reviewed 05/14/25 Indications - mass, lymphadenopathy, swelling, sore throat, difficulty swallowing, foreign body. GENERAL SCAN NOTES Remove any metal from the imaging field of view (particularly dentures). Use non metallic markers for palpable areas. Do not use metallic skin markers areas due to streak artifact. Patient positioning is very important to decrease beam hardening artifact from shoulders: Place rolled towel/sheet between patient's shoulder blades to drop shoulders posteriorly. Have patient pull a folded sheet/towel wrapped around foot with both hands to pull shoulders towards feet. Instruct patient to not swallowing during imaging. Topogram - orbital floor through inferior aspect of main pulmonary artery. Craniocaudal coverage - orbital floor through inferior aspect of main pulmonary artery. Adjust FOV (field of view) on topogram to smallest without cropping anatomy. IV Contrast: 100 mL Omnipaque-300, inject at 2.5 mL/sec, 90 secs scan delay. 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 Neck Soft Tissue SIEMENS PARAMETERS & RECONS Scan
Care
Scan
Mode kV mAs Care
Dose kV & Lvl Pitch Acq Coll Rot Time Time Sensation 16 spiral 120 150 on NA 0.8 16 0.80 0.75 15.6 Go Up 32 spiral 130 102 on on 155 0.80 32 0.7 1.0 11.2 Sensation 64 spiral 120 150 on 0.6 64 0.90 NA 1.0 11.6 Definition 64 spiral 120 165 on on 0.80 64 0.6 1.0 13.0 Go Top 64 spiral 120 119 on 0.6 64 0.80 on 155 1.0 6.5 Drive 128 spiral 120 116 on on 0.80 128 0.6 1.0 6.5 1.0 4.3 Force 192 spiral 120 116 on 0.6 192 0.80 on Name of Series Thick Interval Window Recon
Kernel IR
Lvl Direction AX SOFT 3.0 3.0 abdomen Br40 / B31s 3 head/feet COR SOFT 3.0 3.0 abdomen front/back Br40 / B31s 3 SAG SOFT 3.0 3.0 abdomen left/right Br40 / B31s 3 1.0 1.0 abdomen head/feet AX THINS Br40 / B31s 3 Send the above recons on the pre contrast scan (if without only) or on the post contrast scan (if IV given). Send only the following recon on the pre contrast scan (if without and with). abdomen 3 AX PRE SOFT 3.0 3.0 Br40 / B31s head/feet If streak artifact from dental hardware, perform a sequential scan around hardware: Send of the post contrast if IV contrast given. AX SOFT OBLIQUE Bf37 / B31s 3 3.0 3.0 abdomen head/feet
Care
Scan
Mode kV mAs Care
Dose kV & Lvl Pitch Acq Coll Rot Time Time Sensation 16 spiral 120 150 on NA 0.8 16 0.80 0.75 15.6 Go Up 32 spiral 130 102 on on 155 0.80 32 0.7 1.0 11.2 Sensation 64 spiral 120 150 on 0.6 64 0.90 NA 1.0 11.6 Definition 64 spiral 120 165 on on 0.80 64 0.6 1.0 13.0 Go Top 64 spiral 120 119 on 0.6 64 0.80 on 155 1.0 6.5 Drive 128 spiral 120 116 on on 0.80 128 0.6 1.0 6.5 1.0 4.3 Force 192 spiral 120 116 on 0.6 192 0.80 on Name of Series Thick Interval Window Recon
Kernel IR
Lvl Direction AX SOFT 3.0 3.0 abdomen Br40 / B31s 3 head/feet COR SOFT 3.0 3.0 abdomen front/back Br40 / B31s 3 SAG SOFT 3.0 3.0 abdomen left/right Br40 / B31s 3 1.0 1.0 abdomen head/feet AX THINS Br40 / B31s 3 Send the above recons on the pre contrast scan (if without only) or on the post contrast scan (if IV given). Send only the following recon on the pre contrast scan (if without and with). abdomen 3 AX PRE SOFT 3.0 3.0 Br40 / B31s head/feet If streak artifact from dental hardware, perform a sequential scan around hardware: Send of the post contrast if IV contrast given. AX SOFT OBLIQUE Bf37 / B31s 3 3.0 3.0 abdomen head/feet
Pagina 3 — text în engleză
CT Neck Soft Tissue GE PARAMETERS & RECONS Scan
Smart
Slice
Beam
Dose
Type SFOV kV mA
Range Noise
Index mA Thick Coll Pitch Speed Rot
Time Red ASIR Scan
Time LS 16 helical large 120 100-440 10 2.5 on 8.60 1.375 13.75 0.6 NA NA 8.7 Opt 540 helical large 120 100-440 8.60 on 2.5 10 1.375 13.75 0.6 NA NA 8.7 100-335 LS VCT 64 helical small body 120 0.984 39.375 0.5 30 40 2.5 on 9.10 30 2.5 Disc VCT 64 helical small body 120 100-335 9.10 on 2.5 40 0.984 39.375 0.5 NA NA 2.5 Recon
Window
Recon Name of Series Thickness Interval Algorithm Width/Level Direction AX SOFT 2.5 2.5 head/feet 400/40 std full Must be first recon. COR SOFT 2.5 2.5 front/back 400/40 std full SAG SOFT 2.5 2.5 left/right 400/40 std full AX THINS 1.25 1.25 std full 400/40 head/feet Send the above recons on the pre contrast scan (if without only) or on the post contrast scan (if IV given). Send only the following recon on the pre contrast scan (if without and with). AX SOFT PRE 2.5 2.5 head/feet 400/40 std full If streak artifact from dental hardware, perform a sequential scan around hardware: Send of the post contrast if IV contrast given. head/feet 400/40 std full AX SOFT OBLIQUE 2.5 2.5
Smart
Slice
Beam
Dose
Type SFOV kV mA
Range Noise
Index mA Thick Coll Pitch Speed Rot
Time Red ASIR Scan
Time LS 16 helical large 120 100-440 10 2.5 on 8.60 1.375 13.75 0.6 NA NA 8.7 Opt 540 helical large 120 100-440 8.60 on 2.5 10 1.375 13.75 0.6 NA NA 8.7 100-335 LS VCT 64 helical small body 120 0.984 39.375 0.5 30 40 2.5 on 9.10 30 2.5 Disc VCT 64 helical small body 120 100-335 9.10 on 2.5 40 0.984 39.375 0.5 NA NA 2.5 Recon
Window
Recon Name of Series Thickness Interval Algorithm Width/Level Direction AX SOFT 2.5 2.5 head/feet 400/40 std full Must be first recon. COR SOFT 2.5 2.5 front/back 400/40 std full SAG SOFT 2.5 2.5 left/right 400/40 std full AX THINS 1.25 1.25 std full 400/40 head/feet Send the above recons on the pre contrast scan (if without only) or on the post contrast scan (if IV given). Send only the following recon on the pre contrast scan (if without and with). AX SOFT PRE 2.5 2.5 head/feet 400/40 std full If streak artifact from dental hardware, perform a sequential scan around hardware: Send of the post contrast if IV contrast given. head/feet 400/40 std full AX SOFT OBLIQUE 2.5 2.5
Pagina 4 — text în engleză
CT Neck Soft Tissue PHILIPS PARAMETERS & RECONS Scan
Dose
3D
Rot Scan
Mode kV Avg
mAs Index Dose Pitch Detect Colli Time Time 0.625 64 0.80 on Incisive 128 helical 120 203 22 0.75 4.7 Name of Series Thick Interval Filter Window iDose Recon
Direction AX SOFT 3.0 3.0 B soft tissue neck 3 head/feet COR SOFT 3.0 3.0 B soft tissue neck 3 front/back SAG SOFT 3.0 3.0 B soft tissue neck 3 left/right AX THINS 1.0 1.0 B soft tissue neck 3 head/feet Send the above recons on the pre contrast scan (if without only) or on the post contrast scan (if IV given). Send only the following recon on the pre contrast scan (if without and with). AX SOFT PRE 3.0 3.0 head/feet 3 soft tissue neck B If streak artifact from dental hardware, perform a sequential scan around hardware: Send of the post contrast if IV contrast given. AX SOFT OBLIQUE 3.0 3.0 B soft tissue neck 3 head/feet
Dose
3D
Rot Scan
Mode kV Avg
mAs Index Dose Pitch Detect Colli Time Time 0.625 64 0.80 on Incisive 128 helical 120 203 22 0.75 4.7 Name of Series Thick Interval Filter Window iDose Recon
Direction AX SOFT 3.0 3.0 B soft tissue neck 3 head/feet COR SOFT 3.0 3.0 B soft tissue neck 3 front/back SAG SOFT 3.0 3.0 B soft tissue neck 3 left/right AX THINS 1.0 1.0 B soft tissue neck 3 head/feet Send the above recons on the pre contrast scan (if without only) or on the post contrast scan (if IV given). Send only the following recon on the pre contrast scan (if without and with). AX SOFT PRE 3.0 3.0 head/feet 3 soft tissue neck B If streak artifact from dental hardware, perform a sequential scan around hardware: Send of the post contrast if IV contrast given. AX SOFT OBLIQUE 3.0 3.0 B soft tissue neck 3 head/feet