CT LIVER WITH CONTRAST – 3 PHASE PROTOCOL

Author: Aqil Jauhar

Protocol Structure

Liver 3 Phase

  • Topogram
  • Non contrast
  • Contrast

Topogram

From above the diaphragm until below of symphysis  pubis

Non Contrast

Vertically: from above the diaphragm until below of symphysis pubis

Horizontal: include bilateral abdominal soft tissue

Reconstruction Non Contrast

[table id=14 /]

Injector Setting

NP Test
Flow rate: 3.0 ml/s
Volume: 15 ml

Contrast
Omnipaque 300 mg I/ml Solution for injection/infusion IOHEXOL

Flow rate: 3.0 ml/sec
Volume: 100 ml

Contrast

LAP – Cover entire liver with delay 35s from injection of contrast

PVP – Full abdomen, 25s after LAP finished

Delay after 5 min  – Cover entire liver (Full abdomen only when indicated)

Reconstruction Contrast

[table id=15 /]

[table id=27 /]

[table id=26 /]

Multi Planar Reconstruction (MPR)

  • Coronal Liver of LAP
  • Coronal Abdomen of PVP

Series of Images Send to PACS

  1. Topogram 0.6 T20f
  2. Non Contrast 5.0 B30f
  3. Non Contrast 1.0 B20f
  4. Liver LAP 5.0 B30f
  5. Liver LAP 1.0 B20f
  6. Venous Phase 5.0 B30f
  7. Venous Phase 1.0 B20f
  8. Delayed 5.0 B30f
  9. Delayed 1.0 B20f
  10. Patient Protocol
  11. COR LAP
  12. COR PVP

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