P. A. Gevenois, P. De Vuyst, M. Littani, J. Zanen, P. de's Advances in CT II: 2nd European Scientific User Conference PDF

By P. A. Gevenois, P. De Vuyst, M. Littani, J. Zanen, P. de Franquen, J. C. Yernault (auth.), Professor Dr. R. Felix, Professor Dr. M. Langer (eds.)

ISBN-10: 3642774636

ISBN-13: 9783642774638

ISBN-10: 3642774652

ISBN-13: 9783642774652

Significant improvement made within the Siemens CT scanner SOMATOM PLUS have opened new percentages for diagnostic imaging in computed tomography. Spiral CT with a continously rotating X-ray tube and synchronous desk increments for as much as 60 cm in below part a minute make radiological analysis extra exact. Blind gaps are not any longer an incredible challenge, and all buildings, in particular within the lungs, might be pointed out and clinically determined. the sensible adventure of knowledgeable groupof medical researchers and physicists is now made to be had during this book.

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Additional info for Advances in CT II: 2nd European Scientific User Conference SOMATOM PLUS, Berlin, March 1992

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6, 7, Table 5). Evaluation of CT Histograms % 21 25 . - - - - ----------------------------. F L E - - - Meen ........ :t 1 SO - - Pet. , Level: 5em 1 Fig. 4. CT histogram of 26 healthy normal subjects (mean ± SD) and of the patient with idiopathic fibrosis 5 cm below the carina % 25 ~-----I-4r---------------, F E 20 15 10 5 o~~~~~~~~~~ . ee2 .. 12 ........ ee2 .. 12 ·562 - - Pet. S. CT histogram of 26 healthy normal subjects (mean ± SD) and of the patient with idiopathic fibrosis 5 cm above the carina Table 4.

It is possible that alterations in this sharp demarcation might be early predictors of various forms of renal parenchymal abnormalities (e. g. diabetic renal disease). Musculoskeletal System The perfusion of muscles themselves is an area of great potential interest. Studies might provide useful data which could be extrapolated to the all-important myocardium. 5. Perfusion image of a kidney X-ray Computed Tomography Perfusion Imaging 49 tion than even the Somatom Plus. The normal muscle perfusion in the limbs can be measured using the Somatom Plus, although the perfusion is low at rest and therefore open to inaccuracies.

The CT number (Hounsfield units) is assumed to be proportional to the iodine concentration. This is likely to be the case unless beam hardening is significant. 2. Retention time in the tissue element is greater than time to peak enhancement in the aorta. 3. Iodinated contrast is assumed to be pharmaceutically inert. It is unlikely that any of the theoretical effects of the contrast medium on organ flow would become operational in the first pass of contrast medium. Conditions 1. In order to produce images, noise must be kept to a minimum.

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Advances in CT II: 2nd European Scientific User Conference SOMATOM PLUS, Berlin, March 1992 by P. A. Gevenois, P. De Vuyst, M. Littani, J. Zanen, P. de Franquen, J. C. Yernault (auth.), Professor Dr. R. Felix, Professor Dr. M. Langer (eds.)


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