PET CT Scan

PET CT Scan

https://dev.livesilverprice.in/app/nueclear.com/India’s fastest-growing network of PET scan centres

India’s fastest-growing network of PET scan centres

https://dev.livesilverprice.in/app/nueclear.com/10+ years of experience

10+ years of experience

https://dev.livesilverprice.in/app/nueclear.com/Affordable and accurate diagnosis

Affordable and accurate diagnosis

https://dev.livesilverprice.in/app/nueclear.com/2 lakh+ patients served pan-India

2 lakh+ patients served pan-India

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PET CT Scan

PET CT Scan
Overview

PET-CT detects bodily changes at cellular and molecular level to identify early onset of diseases, like cancer. PET-CT is more efficient than other imaging tests. PET provides functional data and CT provides quality anatomical images. PET-CT uses small amounts of radioactive materials called radiotracers or dye, a special camera and a computer for accurate diagnosis. Commonly used dyes include 18F-FDG, 68Ga-PSMA, 18F-DOPA and 18F-PSMA. PET-CT is recommended for staging the disease, understanding therapy response, detecting recurrence early and routine follow-ups after treatment. With a combined experience of reporting 2,00,000 PET-CT Scans in the past 10 years, we strive to provide affordable, accurate, and timely PET-CT scans. We provide high-quality PET-CT imaging services across India at affordable costs.

PET CT Scan Procedure

  • Once you register, our doctors examine you for any medical history or pre-existing health conditions.
  • The doctor then injects 18F–FDG / Sodium Fluoride dose.
  • Rest for an hour (to let cells absorb the dye).
  • You then need to lie down on a table in a scan room.
  • During the scan, the table slides inside the PET-CT machine. Those with claustrophobia are given a drug to stay calm.

Absorbed dye then gives out radiation, which is detected by the machine, which captures pictures. These images exhibit the movement of dye inside the body. If dye builds up in a place, it indicates disease. The scan is completely painless and noninvasive. In case of vomiting sensation or giddiness, inform the staff immediately.

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Frequently Asked Questions

A PET scan captures images of your organs and tissues in action using a safe injectable radioactive chemical (radiotracer) and a PET scanner. Diseased cells absorb radiotracer and are captured by a scanner, indicating potential health problems. Healthcare providers commonly employ PET scans for cancer diagnosis and treatment evaluation. They are also useful for assessing specific heart and brain conditions.

A PET scan indicates:

  • Various types of cancers (breast, lung, thyroid cancer etc.)
  • Heart-related conditions like coronary artery disease and heart attack
  • Brain disorders like tumours, epilepsy, dementia and Alzheimer’s disease

A PET scan measures essential functions within the body, including blood flow, oxygen utilisation, and glucose metabolism. Additionally, it can identify organs and tissues that may not be functioning optimally.

Your healthcare provider recommends this scan when he/she suspects cancer. It is also recommended during treatment and follow-up sessions to:

  • understand the spread of cancer
  • understand treatment efficiency
  • detect cancer recurrence
  • understand cancer prognosis

If you have heart issues, take the scan to:

  • understand how healthy your heart muscles are
  • understand the damage after a heart attack

In neurological health issues, PET scan is recommended to evaluate possible brain abnormalities, such as tumours, seizures and other central nervous system conditions.

Radiotracer is injected into a vein. Fluorodeoxyglucose (FDG) is a commonly used radiotracer. You may also get an IV injection of a contrast dye that helps produce sharper CT images. Cancerous cells absorb FDG. The patient is then imaged on a PET scanner. The scan locates malignant lesions called hotspots and produces images of the affected tissue. PET scan detects cellular-molecular activities within your body to help with accurate diagnosis at an early stage.

Your healthcare provider will give you detailed instructions on how to prepare for the scan. In general, you should:

  • Make sure your provider knows your medications and medical conditions/history if any.
  • Inform your provider if you’re pregnant or breastfeeding.
  • Do not eat for 6 hours before the scan. You can drink water. However, your healthcare provider may change this direction if you have diabetes.
  • In case of heart scan, avoid caffeine for 24 hours before the scan.
  • Wear comfortable clothes and leave metal accessories, such as jewellery, eyeglasses, dentures and hairpins, at home.

  • An IV injection of a radiotracer, commonly fluorodeoxyglucose (FDG)
  • Waiting for about an hour to allow the tracer to move through your bloodstream and get absorbed by cells
  • Likely an IV injection of a contrast dye to produce sharper CT images
  • You’ll lie on an exam table that slides in and out of the PET/CT scanner, which is doughnut- or tunnel-shaped.
  • During the scan, usually about 30 minutes, you must remain still. Movement can blur the images.
  • You’ll hear buzzing and clicking sounds as the scanner takes images.
  • A technologist will review the scans before you leave to ensure the images are in focus.

The complete PET scan procedure takes around 2 hours - 1 hour for your body to absorb the radiotracer + 30 minutes inside the scanner + waiting after the test as the technician checks the scans to verify the photos are clear.

PET scans are safe and rarely cause problems, often in the following situations:

  • Pregnancy or breastfeeding stage
  • Allergy to tracers or contrast dyes, which is uncommon and mild in nature. The medical team gives you medication to quickly slow and stop the reaction.
  • In case of diabetes

You will receive the reports usually in 24-48 hours.

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