Abstract
A prerequisite for the three-dimensional (3D) reconstruction of anatomical structures from computed tomography (CT) scans is contiguous scanning of the region of interest [8, 9, 23, 27]. Using CT scanners of the third generation with long scanning times, this was only possible in regions of the body not subjected to respiratory motion. Thus, 3D reconstruction was restricted to the CNS and musculoskeletal regions of the extremities [8, 9, 17, 23, 27, 28]. The recent development of CT scanners with continuously rotating scanners (first realized with the Somatom Plus from Siemens) offers the chance to measure a definite volume during a single breath hold by obtaining a spiral CT scan with continuous table movement [10–12]. From this CT data set, it is possible to calculate consecutive slices that were acquired during the same respiratory phase. The short measurement time (24 s) allows a specific and optimized vessel contrast. Spiral CT has been successfully used in two-dimensional imaging of thoracic and abdominal organs [1, 19, 24]. At the same time, organs subjected to respiratory motion become accessible for 3D reconstruction [7].
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Lenz, M., Gmeinwieser, J., Wunderlich, A., Bautz, W., Kersting-Sommerhoff, B., Gerhardt, P. (1992). Three-Dimensional Imaging of Thoracic and Abdominal Organs and Vessels from Spiral CT Data Sets. In: Felix, R., Langer, M. (eds) Advances in CT II. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-77463-8_24
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DOI: https://doi.org/10.1007/978-3-642-77463-8_24
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