Tests
CT scan
CT scan
Uses x-rays to create cross-sectional images.
Sources checked · Introductory guide
On this page
What does the test do?
Helps assess tumor location, extent and treatment response.[1]
Understanding results
Compare earlier scans; CT alone cannot characterize every finding definitively.[1]
Before the test
Report contrast allergy, kidney disease or possible pregnancy; check fasting instructions.[1]
Questions for your care team
- Will contrast be used and will earlier images be compared?
Sources and scope
Source documents are in English.
Entries summarize and translate linked official public sources. The source-check date records when those sources were checked; it does not indicate a clinician’s review.
General information based on official public sources. This is not a complete list of uses or side effects. Individual treatment decisions require your care team and current source documents. US-source uses do not establish local approval or reimbursement.