Nuclear Medicine


Nuclear medicine is a medical specialty that uses small amounts of radioactive material in the form of medicines (Radiopharmaceuticals) to diagnose  or to treat a variety of diseases. These include many types of cancers, diseases of kidney, lung, liver, heart , gastrointestinal tract, skeletal system, endocrine, neurological disorders and other abnormalities within the body. Since radiopharmaceuticals are used in very small quantities (i.e. nanograms, 1 nanogram=10-9grams, i.e., one in one thousand million), practically they don’t have side effects. Nuclear Medicine techniques help to identify the functions of various organs at the sub-cellular/molecular level and enable us to deliver treatment directed only to the diseased cells/tissue (targeted therapy). Because nuclear medicine procedures are able to pinpoint molecular activity within the body, they offer the potential to identify disease in its earliest stages as well as a patient’s immediate response to therapeutic interventions.

Nuclear medicine imaging procedures are noninvasive and, with the exception of intravenous injections, are usually painless medical tests that help physicians diagnose and evaluate medical conditions. These imaging scans use radioactive materials called radiopharmaceuticals or radiotracers.

Depending on the type of nuclear medicine examination, the radiotracer is either injected into the body, swallowed or inhaled as a gas and eventually accumulates in the organ or area of the body being examined. Radioactive emissions from the radiotracer are detected by a special camera or imaging device that produces pictures and provides molecular information.

In many centers, nuclear medicine images can be superimposed with computed tomography (CT) or magnetic resonance imaging (MRI) to produce special views, a practice known as image fusion or co-registration. These views allow the information from two different exams to be correlated and interpreted on one image, leading to more precise information and accurate diagnoses. In addition, manufacturers are now making single photon emission computed tomography/computed tomography (SPECT/CT) and positron emission tomography/computed tomography (PET/CT) units that are able to perform both imaging exams at the same time. An emerging imaging technology, but not readily available at this time is PET/MRI. These hybrid imaging techniques provide structural and functional imaging simultaneously. 

Facilities at a glance: 

Laboratory Services:

Nuclear Medicine Thyroid lab

Other activities: 

Nuclear Medicine OP on Tuesdays

Nuclear Medicine thyroid OP on Fridays

Treatment of Graves Ophthalmopathy (Thyroid eye disease)

IP Service: facility is not provided yet

Succession List: 
  1. Dr. Sathyamoorthy. M

  2. Dr. Ramachandran Nair. P

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Sl.No. Course Name Annual...

Bachelor of Medicine, Bachelor of Surgery, or in Latin:...

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MCH Casualty (24 hrs) ph: 0471-2528300 MCH New OP Block (8.00 am - 02.00 pm) ph: 0471-2528469 OP SuperSpecialty Block (8:00 am - 5:00 pm) ph: 0471-2528548

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Trivandrum Medical College,              
Medical College PO,
Kerala State. India PIN - 695 011
Phone no : + 91- 471 -2528386
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