Medical PET scan: PET CT helps in cancer diagnosis, reports, results and PET CT scan costs in Delhi and Ghaziabad

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01 Aug, 2025

Dr. Nikunj Jain

Dr. Nikunj Jain

Co-Founder and HOD - Nuclear Medicine ,

MBBS, DRM, DNB, FEBNM, FANMB, Dip. CBNC

PET CT scans are an essential tool in modern medical imaging, especially for cancer diagnosis and management. These scans help doctors detect abnormal metabolic activity in the body, which is often an early indicator of disease. If you or a loved one has been advised to undergo a PET CT scan, understanding its purpose, process, and costs is important.

What is a Medical PET scan?

A PET (Positron Emission Tomography) scan is a type of nuclear medicine imaging that visualizes metabolic activity in the body. When combined with CT (Computed Tomography), it provides both structural and functional information. The fusion of these technologies allows for more precise diagnosis and staging of diseases, particularly cancers.In a PET CT scan, a radioactive tracer usually a form of glucose called FDG (fluorodeoxyglucose) is injected into the bloodstream. Since cancer cells consume more glucose than normal cells, areas of high tracer uptake appear brighter on the scan.

Role of PET CT in Cancer Diagnosis and Management

PET CT is most commonly used in oncology. Its applications include:

  • Detecting cancer at early stages
  • Staging cancer to see if it has spread to lymph nodes or distant organs
  • Monitoring response to treatment, such as chemotherapy or radiation
  • Detecting recurrence of cancer after treatment
  • Guiding biopsies or surgical planning

PET CT is widely used for various cancers including lung, breast, lymphoma, colorectal, head and neck cancers, and more. In some cases, it can detect abnormalities even before they become visible on other imaging tests.

How is a PET CT Scan Performed?

  1. Preparation
    • You may need to fast for 4–6 hours before the scan.
    • Blood sugar levels should be checked, especially in diabetic patients.
    • You should avoid intense physical activity a day before the scan.
  2. Tracer Injection and Waiting Period
    • A small amount of FDG tracer is injected into a vein.
    • You’ll rest quietly for about 45–60 minutes while the tracer spreads through your body.
  3. Scanning
    • You lie on a table that slides into the PET CT scanner.
    • The scan takes about 20–40 minutes.
    • You must remain still during the process.
  4. After the Scan
    • You can usually resume normal activities immediately.
    • Drink plenty of fluids to help flush out the tracer.

PET CT Report Time: When Can You Expect Results?

The PET CT report time typically ranges from 24 to 48 hours. In many diagnostic centers, a preliminary result may be shared on the same day, but the final, detailed radiology report reviewed by a nuclear medicine physician or radiologist may take longer depending on the case complexity.

Understanding PET CT Results

The PET CT report includes:

  • Areas of abnormal tracer uptake (called "hot spots")
  • SUV (Standard Uptake Value): A measure of how much tracer is taken up in a region. High SUV can suggest cancer activity but must be interpreted in context.
  • Comparison with previous scans, if available
  • Impression or conclusion, guiding the referring doctor on next steps

PET CT Scan Charges: What to Expect

PET CT scan charges can vary significantly depending on the center, location, and specific requirements such as contrast use or whole-body vs partial scan.

Here is a general cost breakdown:

1. PET CT Scan Cost in Delhi

  • Range: ₹15,000 to ₹45,000
  • Factors affecting cost:
    • Type of PET scan (whole-body vs regional)
    • Use of contrast
    • Facility reputation and technology (newer digital PET CT scanners may cost more)
    • Emergency or same-day services

Delhi has a wide range of diagnostic centers and hospitals, both government and private, offering PET CT scans. Some of the reputed hospitals may have slightly higher charges due to advanced infrastructure and reporting accuracy.

2. PET CT Scan Cost in Ghaziabad

  • Range: ₹12,000 to ₹45,000
  • PET CT centers in Ghaziabad usually offer slightly lower pricing compared to Delhi.
  • Newer centers with NABH accreditation may have costs comparable to Delhi.

Always confirm whether the cost includes consultation, CD/DVD of the scan, printed report, and contrast material, if used.

Insurance and Reimbursement

Many health insurance policies cover PET CT scans when medically indicated—especially for cancer diagnosis, staging, or follow-up. Ensure that the diagnostic center provides a proper receipt and detailed bill for insurance claims.

If paying out of pocket, some centers offer discounts for senior citizens or package deals for cancer patients undergoing multiple scans.

Benefits of PET CT Scan

  • Early cancer detection even before symptoms arise
  • Whole-body imaging in one session
  • Guides treatment decisions by showing tumor activity
  • Non-invasive and safe, with minimal side effects
  • Can differentiate active cancer from scar tissue or dead tumor post-treatment

Limitations and Precautions

  • Radiation exposure: Though relatively low, repeated scans should be done only when needed
  • False positives: Inflammatory or infectious conditions can mimic cancer
  • Diabetes management needed: High blood glucose can affect scan accuracy
  • Not suitable during pregnancy, unless absolutely necessary

Conclusion

A medical PET scan is a powerful diagnostic tool, especially in oncology. It helps detect cancer, assess its spread, and evaluate response to treatment—all in a single imaging session. With centers available across Delhi and Ghaziabad, and an increasing trend of insurance coverage, PET CT is becoming more accessible to patients. Understanding the PET CT report time, interpreting PET CT results, and being aware of scan costs helps patients make informed decisions. If your doctor has advised a PET CT, ask about preparation instructions, the turnaround time for the report, and choose a center that provides accurate, timely imaging with proper support.

Frequently Asked Questions (FAQs)

Is a PET CT scan safe?

Yes. It uses a small dose of radioactive tracer and is generally safe. It should be avoided during pregnancy unless absolutely necessary.

How long does a PET CT scan take?

The entire process takes 2–3 hours, including waiting after injection and the scanning itself.

Can I eat before a PET CT scan?

Usually, fasting for 4–6 hours is required. Water is allowed.

What is the cost of a PET CT scan in Delhi?

Between ₹15,000 and ₹45,000, depending on the hospital or center.

What is the PET CT report time?

Most centers provide the final report within 24–48 hours.

Is the scan painful?

No. The scan is non-invasive and painless. Only a small injection is required.

What does SUV mean in a PET scan?

SUV (Standard Uptake Value) reflects how much tracer a particular tissue absorbs—often higher in cancer cells.

Can PET CT detect all cancers?

It detects many but not all. Some slow-growing tumors or specific types may not show up clearly.

Is PET CT available in Ghaziabad?

Yes. Several diagnostic centers in Ghaziabad offer PET CT at competitive pricing.

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