Computed tomographic (CT) fluoroscopy is a technical advance resulting from slip-ring technology, where x-ray tubes with improved heat capacity, high-speed uses array processors, and partial reconstruction algorithms to generate images. These images are reconstructed at a rate of approximately 6 frames per second, allowing near real-time visualization similar to that of ultrasonography (US). A promise of this technology is to facilitate interventional procedure guidance by means of combining the localizing strengths of CT with the real-time advantages .CT fluoroscopy is a safe and effective guidance tool for percutaneous interventional procedures in the chest, spine, abdomen, and pelvis.
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