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Nuclear Medicine

The department of nuclear medicine and molecular imaging at Aster Hospital uses safe, painless and cost-effective techniques to image the functions of various organs and treat diseases. The department offers a wide range of imaging and therapeutic procedures under nuclear medicine and molecular imaging for various specialities. This branch of diagnostics uses small amount of radioactive material or tracer to diagnose the problems with the structure or functions of internal organs like lungs, heart, and liver and so on. The department with state-of-the-art infrastructure and skilled professionals allow quick and accurate diagnosis of various medical as well as surgical conditions. All the latest and advanced technologies are made available at the department to ensure specialised, individualised care to the patients.

Available Hospitals

We provide excellent care, right from diagnosis to the treatment and beyond at our world-class hospitals.

Advanced Technology & Facilities

Well equipped with the latest medical equipment, modern technology & infrastructure, Aster Hospital is one of the best hospitals in India.

Philips Astonish True Flight Select PET-CT With TOF

Equipped with revolutionary Time Of Flight (TOF) technology which increases PET performance, the Philips Astonish True flight select PET CT system operates fully in 3D mode and is exceptionally sensitive for faster scans, which means better lesion detectability, precise anatomical details and minimal PET radiation dose as the FDG dose injected is considerably less.

GE SPECT-CT OPTIMA NM 640

The GE SPECT-CT OPTIMA NM 640 gamma camera can provide exceptionally clear images at a very high speed, facilitating high-precision diagnosis. Low on radiation dose and examination time, it also allows hybrid by integrating the most advanced general purpose camera with a newly developed four-slice CT.

Nuclear Medicine Facilities
  • Siemens Biograph Horizon time of flight PET CT
  • GE SPECT CT Optima NM 640
  • High Dose Radioactive iodine therapy ward
  • Targeted therapy for liver tumours (TARE)
  • Targeted Radionuclide Therapy (Lutetium, Actinium) for prostate and neuroendocrine tumours.
  • Radiation Synovectomy
  • Bone Pain Palliation
Digital PET with 80 slice CT

Digital PET with 80 slice CT (United Imaging, UMI 550 Digital PET/CT scanner)

  • First in Bangalore: Pioneer in introducing advanced imaging technology.

  • Ultra-fast, high-resolution: Swift and detailed imaging for accurate diagnosis.

  • Complete Organ Coverage: 24 cm axial FOV provides full organ coverage, enabling dynamic studies.

  • Quick Whole-Body Scans: Acquires whole-body scans in just 4 positions, completing scans in under 10 minutes.

  • Reduced Radiation Dose: Cuts patient radiotracer dose by 50% for enhanced safety.

  • Small Lesion Detection: The industry's smallest crystal (2.7 mm) allows precise detection of small lesions.

  • Ultra-High Resolution: Achieves 2.9 mm NEMA and 1.4 mm Clinical Resolution for detailed imaging.

  • Advanced Technologies: Incorporates advanced features like TOF, PSF, HYPER Iterative, and HYPER DPR for improved image quality.

  • Best Image Clarity: Higher Matrix (600x600) ensures optimal image clarity.

  • High Temporal Resolution: Rapid 0.5-sec rotation speed enhances temporal resolution for detailed imaging.

1.a) PET CT Scan 

A positron emission tomography/computed tomography (PET/CT) scan, is a sophisticated medical imaging technique that combines two powerful technologies to provide comprehensive information about the structure and function of the body. 

When is it used? 

PET/CT scans are widely used in oncology to

  • Detect and stage various types of cancer

  • Identify early disease even before the onset of symptoms

  • Precisely locate and characterize lesions

  • Assess the extent of disease spread

  • Help physicians plan appropriate treatment strategies

  • Guide biopsy and surgery

  • Monitor treatment response

  • Reduce unnecessary procedures

PET/CT scan can also be used to diagnose

  • Heart conditions such as coronary heart disease

  • Neurological Disorders such as Alzheimer's disease, Parkinson's disease, and brain tumours

  • Infectious and inflammatory diseases

  • Endocrine disorders

  • Bone disorders

 

How it works?

  • We inject a tiny amount of radiotracer called fluorodeoxyglucose (FDG-18) into your body. This radioactive material emits signals depending on how much sugar your tissues are absorbing. 

  • A PET scanner then detects these signals, measuring the activity of your cells. This helps us spot areas with increased or unusual activity, like where tumours may be developing.

  • At the same time, a CT scan uses X-rays to create detailed pictures of your body's structure, showing the size and location of organs and any potential issues. PET/CT scans typically have a lower radiation dose compared to conventional CT scans.

The PET/CT scan merges these details, giving us a complete picture of both metabolic activity and anatomical structures. This helps us understand your health more accurately.

 

1.b) PSMA PET Scan 

Prostate-Specific Membrane Antigen PET (PSMA PET) scan, is an advanced medical imaging technique used in prostate cancer diagnosis and management. It is particularly valuable for detecting and staging prostate cancer, guiding treatment decisions, and monitoring the response to therapy with high precision. 

 

How does it benefit prostate cancer management?

A PSMA PET scan enables timely action, making it an essential tool in the prostate cancer treatment process.

  • Detects prostate cancer at an earlier stage when it is most curable and treatable.

  • Pinpoints the exact location and extent of prostate cancer.

  • Provides detailed information for accurately staging the cancer. 

  • Helps in personalizing treatment strategies based on the specific characteristics of the cancer.

  • Enables real-time monitoring of how well the cancer is responding to treatment.

  • Reduce the need for invasive procedures by providing comprehensive information through non-invasive imaging.

  • Contributes to better treatment outcomes through precise and targeted management.

  • Assists in more effective follow-up care by identifying any potential recurrence or spread of the cancer.

 

How it works?

A PSMA PET scan works by using a special radioactive substance that has a preference for prostate-specific membrane antigens (PSMA), found in higher amounts on prostate cancer cells.

  • You will receive an injection of a radioactive substance.

  • The injected radiotracer circulates in your body and is naturally absorbed by prostate cancer cells if they are present.

A PET scanner then captures images that highlight areas where the substance has accumulated, helping to pinpoint the location and extent of prostate cancer cells in your body.

SPECT/Gamma Camera Scan
  • Advanced Gantry Design: Slim-profile, wide-bore, robotic gantry for comfortable scans. Detectors in 180° and 90° orientations for efficient SPECT and whole-body scanning. Rapid multi-axis gantry motions for quick scans.

  • Superior Image Quality: Achieved through advanced Elite NXT detector technology and SPECT-optimized design.

  • Low Dose Imaging: Capable of imaging at half the patient dose without compromising image quality.

  • Automated Motion: The detector moves in/out and rotates around the ring automatically, adapting to different scanning positions.

  • Flexible Design: Accommodates various patient positions, including upright seated or standing, as well as imaging patients on stretchers.

  • Efficient Scanning: Real-time Automatic Body Contouring (ABC) enhances efficiency and resolution in different scanning procedures while maximizing image quality by minimizing patient-detector distance.

FAQs

Want to find out more about the treatment? The answer to your questions can be found below.

How should I prepare myself for a PET/CT scan?

  • Follow fasting instructions as advised by your doctor.
  • 2Drink plenty of water the day before the scan.
  • Inform your doctor about your existing medical conditions and follow any medicine adjustments recommended.
  • Wear comfortable, metal-free attire; you may need to change into a gown.
  • Refrain from vigorous exercise a day or two before the scan.
  • Inform your doctor if pregnant or breastfeeding.
  • Arrive on time on the day of the scan. The scan may take 30-60 minutes, with additional time for preparation.

Are there any side effects or risks associated with a PET/CT scan?

PET/CT scans are considered safe. The radiation exposure is minimal, and any potential side effects are usually mild and temporary. Some patients may experience slight discomfort from the injection site or mild allergic reactions. It is important to inform your doctor of any allergies or existing medical conditions before the scan.

How long does a PSMA PET scan take?

A PSMA PET scan usually takes around 1 to 2 hours. This includes the time for the injection and the actual imaging process.

Is a PSMA PET scan safe?

Yes, a PSMA PET scan is considered safe. The radioactive substance used in the scan has a low level of radiation, and the benefits of accurate cancer detection typically outweigh the minimal risks.

How do doctors use radioactive drugs and imaging tools to identify diseases?

Radioactive drugs and imaging devices are commonly used in a medical technique called nuclear medicine to diagnose diseases. Radiotracers are special drugs containing a small amount of radioactive material. They are designed to emit gamma rays, which can be detected by imaging devices. Radiotracers can be administered in various ways, such as injection, ingestion, or inhalation, depending on the specific diagnostic procedure and the area of the body being examined. Once administered, the radiotracer circulates through the body and accumulates in the target organ or tissue. Imaging devices, such as gamma cameras or positron emission tomography (PET) scanners, are used to capture the gamma rays emitted by the radiotracer. As the radiotracer emits gamma rays, the imaging device creates detailed pictures or scans of the internal structures and functions of the body. Differences in the distribution or concentration of the radiotracer can indicate abnormalities, such as tumours, inflammation, or other diseases, helping in the diagnosis and staging of conditions.

Is a SPECT/Gamma Camera Scan safe, and does it involve radiation exposure?

While a SPECT/Gamma Camera Scan involves the use of a radioactive tracer, the amount of radiation exposure is typically considered safe for diagnostic purposes. The radioactive material used has a short half-life, meaning it loses its radioactivity quickly.

Is a PET/CT scan painful?

No, a PET/CT scan is generally not painful. You may experience mild discomfort during the injection of the radiotracer, which is similar to a routine blood test. The imaging process itself is painless, allowing you to lie comfortably while the scan is conducted.

Can PET/CT confirm cancer diagnosis?

A PET/CT scan is a powerful tool in the diagnosis and staging of cancer, but it cannot definitively confirm a cancer diagnosis on its own. It provides valuable information about the metabolic activity of tissues, helping identify areas with an increased or abnormal activity that may be indicative of cancer. However, a conclusive diagnosis often requires additional steps such as biopsy or further imaging studies.

How do I prepare for a PSMA PET scan?

Preparation usually involves fasting for a few hours before the scan, and your doctor will provide specific instructions. It is essential to inform your doctor about any medications or allergies.

Are there any contraindications to radioactive iodine therapy?

Yes, there are certain contraindications or situations where radioactive iodine therapy may not be recommended. Some common contraindications include:

  • Pregnancy and breastfeeding
  • Severe thyroid eye disease
  • Uncontrolled hyperthyroidism
  • Vomiting and diarrhoea

Are there any specific preparations I need to undertake before a SPECT/Gamma Camera Scan?

Your doctor will provide specific instructions based on the type of scan you are undergoing. Generally, you may be asked to avoid certain foods or medications before the scan. It is essential to inform your healthcare provider about any allergies, medical conditions, or if you are pregnant or breastfeeding.

How long does it take to get results from a nuclear medicine scan?

The time for results can vary depending on the specific scan. In some cases, initial results may be available shortly after the scan, while more detailed analysis may take a bit longer. Your doctor will discuss the timeline for receiving and discussing the results with you.

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