After active treatment for a glioma, you enter a phase of regular monitoring — sometimes called surveillance or follow-up. The goal is to keep a close watch on the tumor over time, catch any change early, and manage your overall health and recovery. Knowing what to expect makes this long-term phase feel more manageable.
MRI is the cornerstone Brain MRI is the main tool for monitoring gliomas. Scans let your team compare images over time to see whether the tumor is stable, shrinking, or showing any sign of change. Most surveillance MRIs use contrast and follow a consistent protocol so that comparisons are reliable.
How often? The schedule depends on your tumor type, grade, and treatment, and it usually changes over time:
- Early after treatment, scans are often more frequent (for example, every 2–4 months).
- If things remain stable, intervals typically lengthen (every 6 months, then annually for some lower-grade tumors).
- Higher-grade tumors are generally monitored more closely than low-grade ones.
Your team will set a schedule tailored to you and adjust it based on what the scans show.
What's monitored beyond the scan Follow-up visits also track your neurological status, symptoms, seizure control, medication effects, and overall wellbeing. This is the time to raise new symptoms, side effects, cognitive concerns, or emotional struggles — follow-up is about the whole person, not just the images.
"Scanxiety" is real Many people feel intense anxiety in the days before a scan and while awaiting results — a phenomenon so common it has a nickname: scanxiety. This is a completely normal response. Strategies that help include scheduling scans and results close together to shorten the wait, bringing someone with you, planning a distraction or treat around scan day, and being open with your team about the anxiety. Some people find counseling or support groups helpful for the recurring stress of surveillance.
Why it matters Regular monitoring means that if anything changes, it can be identified and addressed early, when there may be more options. For many people with lower-grade tumors, surveillance becomes a long-term routine of stable scans — reassuring check-ins rather than crises.
Keep your appointments, keep a record of your scan dates and results, and don't hesitate to contact your team between visits if new symptoms arise.