LIVER CT C+
(last updated 09/15/2025, last reviewed 09/15/2025)
INDICATION: Â Hepatic mass, hemangioma, cirrhosis, hepatitis B/C, Primary Sclerosing Cholangitis (PSC), Cholangiocarcinoma
SERIES
- 3mm Axial (Pre, Art, Portal, Equil)
- 3mm Coronal (Art, Portal)
- 3mm Sagittal (Art, Portal)
SINGLE COLLIMATION WIDTH: 0.625 mm
SLICE THICKNESS: 3 mm
KERNAL: std soft tissue
SFOV: large
COVERAGE: Precontrast – liver
Arterial phase – liver
Portal venous phase – diaphragm -> pubic symphysis / ischial tuberosities
Equilibrium phase – liver
ACQUISITION: craniocaudal
IV CONTRAST: yes
INJECTION RATE: 4 mL/sec
SCAN DELAY: arterial – bolus tracking
PV – 30 sec after arterial/~65 sec post injection
equilibrium 3 to 5 min post injection
IV CONTRAST DOSE: 75 to 100 mL
ORAL CONTRAST: water
POSTPROCESSING: 3 mm coronal, 3 mm sagittal for arterial and portal venous phases
NOTES: Give water (not oral contrast) 1-2 cups just prior to scanning the patient in order to distend the stomach.