Abstract
Real-time computed tomography (CT) is a relatively new application that permits real-time reconstruction and display of CT images using a high-speed pipeline processor and an image reconstruction algorithm with improved temporal resolution (Katada et al. 1993). Since its introduction in 1993, real-time CT has been used for optimization of scan timing in contrast studies (Anno et al. 1997), as well as for guidance in biopsy or drainage procedures as CT fluoroscopy (Dary et al. 1998; Katada et al. 1996; Kato et al. 1996; Meyer et al. 1998). The clinical application of real-time CT has been further promoted by the introduction of multislice CT (Katada 1999). As one example, real-time CT can be used to precisely determine the optimal scan timing and to trigger scanning in contrast-enhanced studies with a short scanning time. Another useful application of real-time CT is multislice CT fluoroscopy. This report discusses the clinical usefulness of these new applications of real-time CT.
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