By W. Clauss, U. Speck (auth.), Prof. Dr. Thomas J. Vogl, Dr. Wolfram Clauß, Prof. Guo-Zhen Li, Prof. Kyung Mo Yeon (eds.)

ISBN-10: 364279887X

ISBN-13: 9783642798870

ISBN-10: 3642798896

ISBN-13: 9783642798894

In January 1995, three hundred members from Asia, united states, and Europe energetic mentioned the "State of the paintings and destiny features of CT" in Peking, China. The workshop used to be designed to hide all crucial features of contemporary CT imaging together with the historic improvement, assorted recommendations, distinction brokers, organ structures, and symptoms. The comparative assessment of CT as opposed to MRI and ultrasound was once a primary subject. also, a distinct consultation used to be devoted to "Angiography Tomorrow". This e-book summarizes the state-of-the-art in either traditional and spiral CT imaging and offers a few feedback as for the long run function of the method.

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Additional info for Computed Tomography: State of the Art and Future Applications

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La-d A 40-year-old woman with normal lumbar disc at L4cL5. a Among the multileves of discography in lumbar spine, discography at 14-L5 shows a normal pattern of bilocular appearance and hypertransparent horizontal septum. b Axial magnetic resonance imaging with gradient echo technique shows normal L4-L5 intervertebral disc. c T2WI sagittal image of L spine shows normal bright signal intensity of L4-L5 intervertebral disc. However, slightly decreased signal intensity of 13-L4 and L5-S1 intervertebral discs may suggest mild degenerative changes.

The ideal shape of an SSP is the rectangle, in which all points within the slice contribute equally and points outside of the slice do not contribute to the image at all. 4a). In spiral CT, with the object moving during acquisition, a certain degree of broadening of the SSP results (depending on the table speed and on the slice interpolation algorithm). The underlying phenomena have been analyzed and are well understood; a full derivation has been given in the literature for both 3600 11 [12] an 1800 [11].

3. 25 mllsec 40 20 O~------L-------~-------~-------L-------L------~------~ o 50 100 150 200 Time (sec) 250 300 350 Fig. 2 Time-density curves in the aorta after intravenous injection of 300 mg iodine/kg diatrizoate (60%) at different rates. Data for 2 mlls were taken from the literature [1]. ---------------------------------------------------~ 140 120 100 80 60 40 Liver 20 OL-~----L-------~-------L------~--------L-----~ o 50 100 150 200 250 300 Time (sec) Fig. 3 Time-density curves in the aorta and liver after a biphasic intravenous injection of diatrizoate (60%).

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Computed Tomography: State of the Art and Future Applications by W. Clauss, U. Speck (auth.), Prof. Dr. Thomas J. Vogl, Dr. Wolfram Clauß, Prof. Guo-Zhen Li, Prof. Kyung Mo Yeon (eds.)

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