Nuclear Medicine
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Nuclear medicine, radioactive and biological materials with the help of chemical molecules, a branch of medicine dealing with the diagnosis and treatment of human diseases. For over a century of radioactivity that is being used for the benefit of humanity, diagnosis and treatment of diseases are increasingly applied in every day, no other way to obtain the information not be provided, as well as many diseases is extremely easy and comfortable for the patient, offers the possibility to treat. Clinical Nuclear Medicine applications are generally divided into three groups:
1. Radionuclide Therapy: Ionizing radiation is based on a limited ışınlamasına away from the tissues and cells.
2. Imaging Diagnose Applications directed to a specific destination within the body using radioactive substances, these substances are applied from outside the body.
3. Display Diagnostic Applications of radioactive substances within the body are directed to a specific destination, using the imaging process of these substances from outside the body. Divided into three categories according to the characteristics of radioactive material and display device used for:
a. Planar Imaging: Frequently applied thyroid scintigraphy, renal scintigraphy, whole-body bone scintigraphy to view examples of this kind. Planar gamma camera imaging devices called gamma-ray emitting radioactive substances sözkonusudur using the two-dimensional image to be taken, and the majority of the routine work of this character.
b. SPECT (Single Photon Emission Computed Tomography): the distribution of radioactive substances in the body in three dimensions, in other words tomographic imaging. Today, very often implemented as myocardial perfusion scintigraphy (heart scan), this type of brain perfusion imaging studies. Planar imaging and tomographic gamma cameras used in the gamma-ray-emitting materials used in this method, if desired bone, kidney, lung scintigraphies is possible to apply the tomographic.
c. PET (Positron Emission Tomography): Positron radiation and radioactive molecules which is the name given to a special method of tomographic imaging with imaging devices. Today, radioactive sugar (FDG) imaging of the distribution is most frequently used. Tissues with cancer is known to be the most sensitive method currently available.
First of all you need to know the subject of radioactive drugs used in nuclear medicine side effects and allergic effects. These substances are patients of all ages and children, according to age at varying doses can be used safely. Nuclear Medicine applications, the patient is very low-level radiation. X-ray imaging of this level is lower than we often built. So far, applications of nuclear medicine studies for over 60 years from the temporary or permanent radiation damage detected.