PET scan

US /piː.iː.tiː skæn/
UK /piː.iː.tiː skæn/
"PET scan" picture
1.

a medical imaging technique that uses a small amount of radioactive material to show how organs and tissues are working

:
The doctor ordered a PET scan to check for any abnormal activity in the brain.
A PET scan can help detect cancer and other diseases.