​CT ABDOMEN-RENAL MASS PROTOCOL

Application: Reason for Exam

Known renal mass or cyst

Scan Range

1. W/O contrast - From diaphragm thru pelvis
2. Late arterial (30 sec delay) - diaphragm through crest
3. Nephrographic phase (100 sec delay) - same as above
4. 5 min delay

Detector Collimation (mm)

0.5mm x 80

Slice Thickness (mm)

3mm

Data Reconstruction Interval (mm)

3mm

IV Contrast Volume

100cc-125cc Isovue 370 or equivalent

Injection Rate

3cc/sec

Scan Delay (sec.) or Sure Start

Non-contrast 1st, SureStart with 40 sec delay for late arterial phase, then 100 sec for nephron phase, 5 min delay

Oral Contrast

No oral

3D/Reformat Technique

Coronal 4mm x 4mm all scans - body standard

Phase of Respiration

Full inspiration