Overview

 
 

What is nuclear medicine?

Nuclear medicine is a medical specialty that utilizes radioisotopes for the purpose of diagnosis and treatment. It is considered as a branch similar to radiology. Radioisotopes are nothing but simple substances like iodine, fluorine (which are normally present in the human body) that after some physico-chemical modification can be applied for medicinal use. This specialty has been in use for the management of common and rare medical conditions since 1950s. However, being a relatively costlier and advanced technology, it was not widely available in the Indian subcontinent. In the earlier times, the applications were limited; however with increase in new inventions and better understanding of the disease processes, nuclear medicine now has become an integral part of the routine work-up and management of many diseases. 

What are the components of nuclear medicine?

The specialty encompasses various imaging investigations like gamma imaging (with SPECT/CT), hybrid PET/CT and therapeutic applications like treating thyroid diseases, better palliative therapy of some cancers, palliation of bone pain in cancer patients, joint problems etc.

Gamma imaging includes bone scan, renal scan, liver scan, cardiac scan etc. A brief use of these investigations is as follows:

Bone scan

• Detection of metastases in cancer

• Diagnosing osteomyelitis

Renal scan:

• Detection of scar following pyelonephritis

• Diagnosing obstruction in hydronephrotic kidneys

Liver scan:

• Diagnosing the cause of jaundice in young infants

• To identify the site of bile leak following surgery, trauma etc,

Cardiac scan:

• In chest pain due to MI, angina - To detect the extent of myocardium in the heart that can be improved after by-pass or Angio-stent.

• To calculate the contractile function of heart

PET/CT imaging is an investigation in these days without which many oncologic, cardiac, neurologic and infectious diseases, cannot be diagnosed properly resulting in incomplete treatment.

What are the advantages of nuclear medicine?

The specialty uses the concept of target-based approach for its investigative and therapeutic applications. Unlike many other modalities, the side effects and complications arising from the procedures are very minimal. Because of these characteristics, the delivery of a consistent health care is possible. Patient compliance is also extremely good and they prefer to and volunteer for necessary follow-up and research studies.

What is the need for nuclear medicine?

For the most of the indications as discussed previously, no other modality can give a cost-effective and accurate information as nuclear medicine. This has been tested with time.

Due to unavailability of this department, many patients remain under-treated and at times over-treated due to the inadequate information.

Next to cardiac problems, cancer of many organ systems is becoming the leading cause of mortality in our country and worldwide. As commonly known the cancer is classified into four stages. Stage IV and in some cancers stage III diseases are inoperable and palliative care with good quality chemo-radiotherapy is needed.

Being a whole body imaging modality with advanced features, PET/CT (in comparison to other existing facilities like MRI, CT, etc.) can effectively diagnose the stage of the cancer avoiding unnecessary surgeries. This is because PET/CT can accurately diagnose the metastases at an early time-point. Similarly after treatment is initiated, the response to therapy can also be effectively monitored by this modality.

Thyroid diseases are very commonly seen India. Nuclear medicine based therapy can offer the best cure for the commonest thyroid problems existing in the community. Similarly, many other cancers can be treated palliatively by nuclear medicine. The scope for growth in patient health care as well as economy is wide for nuclear medicine and is growing day-by-day.

Idea & Need to incorporate nuclear medicine as a specialty department in the Bharat Scans Private Limited:

Bharat Scans Private Limited is one of the best private diagnostic centres in our country that affords medical diagnostics at international standards. Being a teaching institute also, the institute incorporated this advanced specialty in January 2008 to complement and complete its ever-expanding medical diagnostics. The primary aim of this incorporation of Nuclear medicine is that Bharat Scans can help to carry out educational and health care improvement in a self-sustaining manner and keep up its reputation of service to the society. Unlike North India, very few centres in south India offer nuclear medicine services. This is partly due to the relatively higher cost input for establishing nuclear medicine facility. Because of this many people are not receiving quality treatment. By establishing this specialty, Bharat Scans has helped in making essential and quality health care affordable to the general public. In today’s healthcare, no oncology / cardiology set up is complete without nuclear medicine facilities.

High quality research work in oncology, cardiology and many other fields that necessitates a wholesome approach requires nuclear medicine to be a part of the research. Scientific journals from different medical branches publish papers that are based on gamma imaging, PET/CT and/or therapeutic nuclear medicine. The reputed nuclear medicine journals include Journal of Nuclear Medicine (JNM), European Journal of Nuclear Medicine and Molecular Imaging, Indian Journal of Nuclear Medicine, Annals of Nuclear Medicine, etc. Of these JNM is the highest ranked medical imaging journal with an impact factor of 6.38 which is the best in radiology and far higher than other medical and surgical specialties. This is because clinicians in these days need to update their medical knowledge for their daily practice and general practitioners and specialists regularly read these journals.

Nuclear Medicine Facilities at Bharat Nuclear Scans

Diagnostic nuclear medicine

Advanced SPECT/CT

Advanced 16 slice PET/CT

Therapeutic nuclear medicine

Radioiodine treatment for Thyroid Goitre and Graves’ disease

 

Thyroid Scan

This procedure will allow the physician to determine whether there are any nodules in your thyroid gland and to assess the function of the thyroid.

Procedure for thyroid scan

TYou will be given a small injection of the tracer. After about 15 minutes, a small Gamma Camera will be placed over your neck and an image of your thyroid will be recorded. This will take about 15 minutes and it is very important that you keep very still as any head movements will produced a blurred image.

Scanning Procedure for thyroid scan

There is no special patient preparation.

 

Lung Perfusion Scan 

One of the most common indications for a V/Q scan is suspected pulmonary embolism i.e. when the arteries or its branches supplying blood to the lungs are suspected to be blocked, causing breathlessness.

Scanning Procedure

You will be given a small injection in your vein . Images of your lungs at different angles will be taken with a Gamma Camera. The images will be compared with a recent (< 24 hours) chest X-ray.

 

Patient Preparation

· You will need to sign a consent form before the procedure. · There is no special preparation before the procedure

 

Kidney Scans

DMSA Scan

This scan will enable the physician to see which part of the kidneys are damaged due to scarring caused by urinary tract infection and to assess the renal function of the kidneys.

 

Scanning Procedure

You will be given a small injection in your arm. You can leave the department after the injection but you will have to return after about 3 hours for the scan. This waiting period is to allow the kidneys to take up the tracer. There is no known side effect. During the scan, you will lie on the imaging couch and a Gamma Camera will take images of your kidneys from several angles.

 

Patient Preparation

You must drink lots of water before the procedure.

 

DTPA/EC Renogram

This procedure allows the physician to monitor the function of the kidneys and the degree of any blockage in the flow of urine out of the kidneys.

 

Scanning Procedure

You will lie down on the imaging couch and a Gamma Camera will be placed over your abdominal area. There will be a small injection and images of the tracer passing through your kidneys will be taken. The computer will continue to monitor and image your kidneys for about 30 minutes. During this time, it is extremely important for you to keep very still, as any movements will cause the processing and calculation of the data to be inaccurate.

 

Patient Preparation

You must drink lots of water before the procedure. · Please empty your bladder before the procedure as the bladder might fill up quite rapidly during the procedure.

 

Liver/Spleen and Hepatobiliary (gall bladder) Scan

Liver/Spleen Scan

This scan allows the physician to look at the function of the liver and is useful in diagnosing disorders such as cirrhosis, hepatitis and tumours.

 

Scanning Procedure

An injection containing a small amount of radioactive tracer will be given and you will wait for about 20 minutes for the tracer to be absorbed by the liver. You will then lie on your back on the imaging couch and a Gamma Camera will take pictures of your liver /spleen.

 

Preparation

  • You should not have any gastrointestinal tests with barium at least 48 hours before the scan.
  • No restriction of diet is required.

 

Hepatobiliary (Gallbladder) Scan

A hepatobiliary scan is useful in evaluating upper abdominal pain, determine causes of jaundice (especially prolonged jaundice in children) and identify obstruction in the gallbladder and the biliary system.

 

Scanning Procedure

You will lie on your back on the imaging couch and a Gamma camera will be placed over your abdominal area. An injection containing a small amount of radioactive tracer will be given and multiple images will be taken over a period of time. Imaging may take one to two hours (or longer) because it is not possible to determine how long it will take your liver to excrete the tracer or when your gallbladder will be visible to the camera. Different medical conditions will have different excretion rates. You might have to be monitored up to 3 hours or longer.

Hepatobiliary Scan in Children/Infants

The procedure is the same as for adults, except that children and infants may require sedation if they are not cooperative. The imaging time for children is usually shorter than for adults. For infants, it may be as long, if not longer than for adults. This is especially so in cases of suspected biliary atresia, where a booster dose might be given at the end of the day and the patient has to return for a 24-hour scan the next morning.

 

Patient Preparation

You should not eat or drink for three to four hours before the scan because contents in the stomach can affect the test results.

 

Subcategories

 

Welcome to Bharat Scans

The Bharat Scans with its motto "Service through Innovative Technology" boasts the most Advanced Imaging Systems on the planet. It is an indisputable face that diagnosis is the axis around which modern medicine revolves. Efficient patient care requires fast, accurate diagnosis

  • Bharat Scans is a complete Diagnostic center under one roof.
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  • Lead by Professionals from Medical Fraternity of very high standards.
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