By Dr. Mangesh Kamath, Healius Cancer and Haematology Clinics
At Healius Cancer and Hematology Clinic, our focus is on offering patients the most advanced, precise, and comfortable diagnostic experience possible. As a leading PET CT scan center in Bangalore, we are dedicated to utilizing the latest medical innovations to improve patient outcomes.
One such innovation transforming cancer care today is the Total-Body PET-CT scan available at Healius Clinic. This breakthrough technology allows us to see the entire body in a single, quick, and highly detailed image, providing a level of diagnostic clarity that was previously unavailable. By choosing our specialized facility, patients gain access to faster scan times and significantly lower radiation doses, ensuring a safer and more efficient path to accurate diagnosis.
What Is a PET-CT Scan?
A PET-CT combines two imaging techniques:
- PET (Positron Emission Tomography): shows how active or “metabolically alive” tissues are.
- CT (Computed Tomography): provides detailed anatomical structure.
Before the scan, a small amount of a glucose-based tracer (F-FDG) is injected into a vein. Cancer cells use more glucose than normal cells, so they appear brighter on the scan — helping doctors detect and map disease activity.
From Conventional to Total-Body PET
Type of PET | Body Coverage | Scan Time | Highlights |
|---|---|---|---|
Total-Body PET | Whole body (~200 cm) | ~5 minutes | Complete coverage in one session; faster and clearer results |
Whole-Body PET (LAFOV) | About half body (~100 cm) | ~20 minutes | Good sensitivity; moderate coverage |
Conventional PET (SAFOV) | Limited area (~15–30 cm) | ~20 minutes | Traditional method; longer and less detailed |
Key Benefits of Total-Body PET
- Speed and Comfort – The scan is completed in about 5 minutes, reducing the discomfort of lying still for long periods.
- Lower Radiation Exposure – The technology’s high sensitivity means smaller tracer doses are required.
- Sharper Images – Detects smaller or early disease changes that might be missed on conventional PET.
- Comprehensive Assessment – Captures the entire body in one go, allowing better tracking of treatment response and disease spread.
- Ideal for Follow-Up – Helps your oncology team evaluate how well your therapy is working quickly and accurately.
What Patients Can Expect
- You will receive a small injection of the F-FDG tracer.
- After resting for about an hour, the scan begins — it takes only around five minutes.
- The process is painless, and you can usually resume normal activities soon afterward.
The Total-Body PET-CT represents a major step forward in precision cancer imaging. It offers faster scans, lower radiation, and a complete view of your body in one examination — improving both comfort and accuracy.
At Healius Cancer and Haematology Clinics, we continue to adopt innovations like Total-Body PET to ensure every patient receives the best diagnostic care possible — because early, accurate detection makes all the difference.
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