CT Protocols: (Brain, ENT, Spine, Vascular) - Department of Radiology

More documents

Recommendations

Info

Appendix # 3 CT Perfusion Protocol: (Specific Instructions): 130 Revised 7/22/09 (Gentry/Ranallo) Billing: Setup: 1. Perfusion and contrast used 1. Patient Supine, AP and lateral scouts, no gantry tilt 2. Patient Positioning: Tilt the patient’s head so that a line connecting the lateral canthus of the eye and the EAC is perpendicular to the CT tabletop (see head CT protocol). 3. Usually done in conjunction with a CT/CTA of the Head or CT/CTA of Head/Neck Exam: DFOV: CT Perfusion 1. Scan Type 2. Cine Duration 3. Perfusion Area 4. Contrast 5. Injection Rate patient) 6. Prep Delay 7. Perfusion Slabs Preferred 20 cm (Range 18-22 cm) Perfusion Locations: (See next Page) Cine 45 seconds (next page) 40 ml of 370 nonionic contrast with 30 ml saline chase Adult: 5 ml per sec Pediatric: 3-5 ml per sec (Depends on size of needle and age of 5 seconds Use maximum number (4-8-16) of contiguous 5 mm slabs allowed by each specific CT scanner (use toggle/shuttle mode if possible) Perfusion Post Processing: (see Appendix 5 for further details): 1. Prospectively reconstruct the images to .5 seconds. This is found under thick/speed - (Go under show recon 2). 2. When you are in recon 2, enter the RAS coordinates manually. 3. Network raw perfusion images to CTAW3 & ALI Source – DO Not send the perfusion part to ALI store CT Perfusion: Adult and Pediatric Contrast CT 1 CT 2 CT 3 CT 4 & ER CT East & RP CT Scanner GE LS Xtra GE LS 16 GE LS 16 Pro GE LS VCT 64 GE LS 8 Scan Type Cine Cine Cine Cine Cine Rotation Time (sec) 1.0 1.0 1.0 1.0 1.0 Detector Coverage (mm) 20 20 20 40 20 Slice Thickness (mm) 5 5 5 5 5 Cine Time Between Images 0.5 sec 0.5 sec 0.5 sec 0.5 sec 0.5 sec Scan FOV Head Head Head Head Head kV 80 80 80 80 80 mA Adults 250 200 200 200 200 mA Peds < 6 y/o 190 150 150 150 150 Cine Duration (sec) 45 45 45 45 45 Recon 1: DFOV 22 22 22 22 22 Recon Type Standard Standard Standard Standard Standard WW/ WL 350/20 350/20 350/20 350/20 350/20
131 Revised 7/22/09 (Gentry/Ranallo) Appendix # 4: CT Perfusion Coverage A. 8-16 Channel CT Perfusion: (4 slice coverage) B. 64 Channel CT Perfusion: Non-shuttle Mode (8 slice coverage) C. 64 Channel CT Perfusion: Obtain 16 contiguous 5 mm slices from EAC Upward Shuttle/Toggle Mode: (16 slice coverage)
Page 1 and 2:
Name / MRN: ___________________ / _
Page 3 and 4:
Table of Contents (continued): 3 Re
Page 5 and 6:
5 Revised 7/22/09 (Gentry/Ranallo)
Page 7 and 8:
Page 9 and 10:
Page 11 and 12:
Adult Head: (Axial Mode) (Protocol
Page 13 and 14:
Page 15 and 16:
Page 17 and 18:
Page 19 and 20:
Page 21 and 22:
Page 23 and 24:
Page 25 and 26:
Page 27 and 28:
Page 29 and 30:
Page 31 and 32:
Page 33 and 34:
Page 35 and 36:
Page 37 and 38:
Page 39 and 40:
Page 41 and 42:
Page 43 and 44:
Page 45 and 46:
Page 47 and 48:
Page 49 and 50:
Page 51 and 52:
Page 53 and 54:
Sinuses (Diagnostic): (Adult and Pe
Page 55 and 56:
Page 57 and 58:
Page 59 and 60:
Page 61 and 62:
Page 63 and 64:
Page 65 and 66:
Page 67 and 68:
Page 69 and 70:
Page 71 and 72:
Page 73 and 74:
Page 75 and 76:
Page 77 and 78:
Page 79 and 80: 79 Revised 7/22/09 (Gentry/Ranallo)
Page 101 and 102: 101 Revised 7/22/09 (Gentry/Ranallo
Page 107 and 108: Vascular Imaging: Stroke Deluxe: (A
Page 129: Appendix # 2 129 Revised 7/22/09 (G
Page 133 and 134: Suggestions for ROI Placement 133 R
Page 139 and 140: 1. CTA (High-res COW) 2. CTA (Strok
Page 143: 143 Revised 7/22/09 (Gentry/Ranallo
show all

CT Protocols: (Brain, ENT, Spine, Vascular) - Department of Radiology

Create successful ePaper yourself

Delete template?

Save as template?