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, Nuclear medicine is multi-disciplinary that uses and develops radiopharmaceuticals and
instrumentation to study physiological process and non inversely diagnose and treat diseases.
The most type of radiation which is exploited in the nuclear medicine is the gamma rays which is
similar to the x-rays
Patients are prepared for nuclear medicine by giving them radioisotope in small amount this can
be done by injection or orally so that the selected vascular structure or organs can be visualized.
The technologist can position a camera close to the region where radioisotope has accumulated
and start the scanning process. The special trained physician will give information to the doctor
once they have viewed images in the computer monitor.
The advantage of nuclear medicine is it gives out the unique information about the
anatomy structure and function of the body that cannot be attain using other procedures of
obtaining images. It is also cheaper and gives accurate information compared to exploratory
surgery.
Another limitation of the nuclear scan is that it is normally very hard to differentiate
between malignant and benign since it does not normally give out detail image this normally
cause it to be use other imaging tests so that it can give complete information on what is
happening
The other advantage is that it gives the potential of identifying disease from the initial
stage before it has led to some abnormalities or even symptoms. There is also additional
information that is used for radiation therapy planning especially from the PET scan.
The disadvantages are it results to pain and redness especially from the injection of the
radiotracer. Sometimes there is an allergic reaction to radiopharmaceuticals and kidney problems
may also develop. Sometimes it may result to cancer due to exposure to ionization radiation.Also