PSMA PET Scan - Purpose, Preparation & Complete Procedure

PSMA PET Scan - Purpose, Preparation & Complete Procedure

PSMA PET-CT (prostate-specific membrane antigen positron emission tomography-computed tomography) scan is a type of medical imaging scan used to detect and evaluate prostate cancer.

PSMA PET-CT (prostate-specific membrane antigen positron emission tomography-computed tomography) scan is a type of medical imaging scan used to detect and evaluate prostate cancer.

This imaging technique uses a special radioactive tracer that binds specifically to the PSMA protein that is highly expressed in prostate cancer cells. The tracer emits positrons that are detected by a PET scanner, allowing the creation of a 3D image of the prostate gland and surrounding tissues.

The PET scan is often combined with a CT (computed tomography) scan, which provides detailed anatomical information and helps to precisely locate the areas where the PSMA tracer has accumulated.

PSMA PET-CT scan is considered to be highly sensitive and specific for detecting prostate cancer, especially in patients with early-stage disease or in those with recurrent or advanced cancer. They can also be used to monitor the effectiveness of treatment and to detect any signs of cancer recurrence.

Why do I Need PSMA PET Scan?

PSMA PET scans have several uses in the detection, diagnosis, and management of prostate cancer, including:

Detecting the Presence and Extent of Prostate Cancer: PSMA PET scans are highly sensitive in detecting prostate cancer, even in its early stages. The scans can show the exact location and size of tumors, as well as whether the cancer has spread to nearby lymph nodes or other organs.

Staging Prostate Cancer: PSMA PET scans can be used to stage prostate cancer, which helps doctors determine the best treatment options and prognosis. They can identify whether the cancer is localized to the prostate gland or has spread to other parts of the body.

Monitoring Treatment Response: PSMA PET scans can be used to monitor the effectiveness of prostate cancer treatment, such as chemotherapy or radiation therapy. They can show whether the cancer has shrunk or remained stable, or if there is evidence of disease progression.

Detecting Recurrent Prostate Cancer: PSMA PET scans can be used to detect the recurrence of prostate cancer after initial treatment, even in cases where the PSA (prostate-specific antigen) levels are low.

Guiding Biopsy and Treatment: PSMA PET scans can help guide biopsy procedures and treatment planning by providing a more accurate and detailed view of the prostate gland and surrounding tissues. This can help doctors target the biopsy or treatment to the exact location of the cancer, while minimizing damage to healthy tissues.

What is the Procedure for a PSMA PET Scan?

The procedure of a PSMA PET scan for prostate cancer generally involves the following steps:

Injection of the Radioactive Tracer: A small amount of a radioactive tracer called gallium-68 PSMA is injected into a vein in your arm. The tracer is specifically designed to bind to prostate-specific membrane antigen (PSMA) proteins on the surface of prostate cancer cells.

Waiting Period: After the injection, you will need to wait for about 1 hour for the tracer to circulate through your body and accumulate in the prostate gland and other areas where prostate cancer is present.

Imaging Scan: You will lie on a table and a PET-CT scanner will take images of your body. The scanner detects the positrons emitted by the radioactive tracer and produces detailed 3D images of the prostate gland and surrounding tissues.

CT scan: In some cases, a CT scan may also be performed immediately after the PET scan. The CT scan provides detailed anatomical information that helps to locate the areas where the PSMA tracer has accumulated.

Interpretation of Results: A radiologist will analyze the images and provide a report to your doctor. The report will indicate whether there are any areas of abnormal tracer accumulation that may indicate the presence of prostate cancer.

The entire PSMA PET scan procedure usually takes about 2-3 hours. You should drink plenty of water after the procedure to help flush the tracer from your body. You may resume your daily routine normal activities immediately after the scan.

How do I need to prepare for PSMA PET Scan?

Some simple steps you need to follow before PSMA PET Scan:

Fasting: The patient is advised to do fasting for around 4 to 5 hours before the procedure.

Stay Hydrated: Patients need to stay hydrated, so drink water before coming to the diagnostic center for the procedure.

Rest: The patient is advised to take rest for about 1 hour after getting the injection of the PSMA radioactive tracer.

What are the Side Effects of PSMA PET Scan?

PSMA PET is a type of medical imaging test to detect prostate cancer. Like all medical procedures, there are potential side effects associated with PSMA PET.

Some possible side effects of PSMA PET include:

Allergic Reactions: In rare cases, patients may experience an allergic reaction to the contrast material used during the procedure. Symptoms of an allergic reaction may include hives, swelling, difficulty breathing, or a drop in blood pressure.

Radiation Exposure: PSMA PET involves the use of a radioactive tracer, which exposes patients to a small amount of radiation. While the amount of radiation is generally considered safe, there is a small risk of developing cancer from the exposure.

Discomfort or Pain: Some patients may experience discomfort or pain during the injection of the radioactive tracer, particularly if the injection is done intravenously.

False Positive Results: PSMA PET can sometimes produce false positive results, indicating the presence of cancer when there is none. This can lead to unnecessary diagnostic tests or treatments.

False Negative Results: PSMA PET can also produce false negative results, indicating that there is no cancer when there is. This can delay the diagnosis and treatment of prostate cancer.

It is important to discuss the potential risks and benefits of PSMA PET with your healthcare provider before undergoing the procedure. Your doctor can help you weigh the potential risks and benefits of the test and determine if it is appropriate for you.

Best Diagnostic Centre for PSMA PET Scan

Earlier, Prostate Cancer was difficult to diagnose. However, with technological advancement, it has become easy and possible to detect prostate cancer, its stages, and its progression as well as monitor the effectiveness of the treatment. PSMA PET Scan is an advancement in medical imaging that helps in accurately diagnosing/detecting prostate cancer.

To undergo an imaging procedure such as a PSMA PET scan for prostate cancer, you must always choose the best diagnostic center that offers quality PSMA PET Scan service at an affordable cost.

Ganesh Diagnostic is the NABH and NABL-certified PET Scan centre, offering PSMA PET CT in Delhi NCR. We have a team of highly experienced radiologists and certified technologists to use advanced PET CT scanners for performing the procedure. In Delhi NCR, we provide the facility of free ambulance service for hassle-free patient pick and drop.

Cost of PSMA PET Scan

The cost of a PSMA PET Scan in Delhi is different in different diagnostic centres. The average cost is Rs. 30000. But with Ganesh Diagnostic and Imaging Centre, you can get a 50% discount and you have to pay only Rs. 15000 for Prostate PSMA PET. Aside from this, we are empaneled with several organizations such as DAK, CGHS, DGHS, and Delhi JAL Board. LIC, Indian Railways, Sanjay Gandhi Hospital, ESIC, Press Council of India, Tata Power Ltd., etc. So, you can avail the benefits of the Panel Rate.

Booking an appointment with us is easy, you can schedule your appointment with different payment options through online/ customer care/ visiting the center. For any queries regarding the test, feel free to contact us.