
About PET-CT Scan
PET-CT combines Positron Emission Tomography with CT to visualise cellular activity and anatomy in one scan. It is the gold standard for cancer staging, treatment response and neurological assessment.
Common Uses
Cancer diagnosis, staging and follow-up
Assessment of chemotherapy response
Cardiac viability studies
Neurological disorders including epilepsy
Preparation
- Fast for 6 hours before the scan
- Avoid strenuous exercise for 24 hours prior
- Diabetics must inform staff for special instructions
- Stay well hydrated with plain water
Frequently Asked Questions
How long does a PET-CT take?
The scan itself takes 20–30 minutes, plus ~60 minutes for the tracer to distribute.
Is it safe?
Yes. The radiotracer dose is small and clears from the body within a few hours.


