No toxic contrast necessary. Allows multi-planar imaging Especially good for bones, CNS, joints Disadvantages Expensive Claustrophobia, sometimes a big problem. Limits patients and procedures which can be performed. Not available everywhere. Nuclear Medicine Radioisotopes are injected into a patient and emit rays of known energies.
Cameras can collect energy from the emitted beams, showing areas of increased or decreased activity.
Disadvantages Weak anatomical analysis. Not good for Interventional procedures. Using Various Modalities Various imaging modalities may be used to investigate a single patient or a single disease process. Knowledge as to the natural history or expected course of an illness is necessary to employ the appropriate imaging tool. To assess for metastatic disease to chest.