6. LIVER THREE PHASE (r/o hepatoma)

Scan Acquisition  Native  Arterial  Venous
KV / effective mAs / rotation time  120 / 200 / 0.5  120 / 200 / 0.5  120 / 200 / 0.5
Detector collimation  1.5 mm  1.5 mm  1.5 mm
Slice Thickness  5.0 mm  3.0 mm  3.0 mm
Pitch  0.75  0.75  0.75
Kernel  B30f  B30f  B30
Increment   5.0 mm  2.0 mm  2.0 mm 
Image order  Cranial to caudad. Above diaphragm to the iliac crest.
Oral Contrast  750 cc dilute gastrograffin for ER / inpatients or suspected perforation.
 RediCAT for outpatients.
Intravenous Contrast  150 cc Isovue 300 at 3cc/sec. 18 – 22 ga IV needed preferably in the AC.
Scan Delay  Initial / 25 sec arterial / 75 sec venous
Comment  Only scan the abdomen to include the liver.
 Scan the pelvis if ONLY requested by the radiologist to do so.