Flipping Book

Contrast-enhanced CT?

•

PET-CT: low-dose non-contrast CT for:

–

Attenuation correction

–

Anatomical localisation

•

Pros of Contrast:

–

findings

(but rarely change management)

–

Improves

abdo/pelvic

disease detection (bowel physiologic uptake)

–

Shows

vascular

compression/ thrombosis

–

planning

–

measurement

for clinical trials

•

Cons:

–

Additional

radiation

–

Resource

implications

–

Small

errors

in FDG measurement in tumours (unlikely to be significant)

and 10-15% increase in liver/MBP uptake