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Conclusions
PET/CT imaging resolves the limitations of dedicated PET by making use of a rapid low-noise CT scan for attenuation correction, thereby improving image quality while decreasing patient discomfort and increasing patient throughput. PET/CT integrates functional (PET) and structural (CT) information into a single scanning session, improving lesion localization and interpretation accuracy. PET/CT is currently the most advanced technique of metabolic imaging and the most accurate tool for tumor staging in the pretreatment, post-treatment and follow-up phases. Progressive technological development of PET/CT scanners is foreseeable in the near future with an increase in the efficiency of detector crystals, the spatial resolution and a reduction in acquisition times of the emission images. As has already occurred over the past two years, most PET centers tend to acquire PET/CT scanners and an increase in their availability is definitely foreseeable.
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