By J. Regn, J. Ezrielev, R. Hupke, W. A. Kalender, K. Maatsch (auth.), Professor Dr. H. Pokieser, Professor Dr. G. Lechner (eds.)
In approximately all parts of know-how our iteration is experiencing the phenomena of fast moving innovation and nice bursts in improvement. along with the thoroughly new suggestions, the "experienced person" is astonished while evidently reliable and appar ently matured know-how akin to the subsequent to final iteration of CT apparatus undergoes additional improvement, akin to is the case with the spiral CT method. the large capability of spiral CT unexpectedly turned obvious, stimulating and giving upward push to a variety of study on its medical program. once more we will see within the box of imaging how nice advances in a single technique competitively have an effect on the variety of program in one other. for that reason this can be very invaluable and essential to appraise the present scenario now. either physicians - who use the gear - and the wellbeing and fitness procedure and with this the sufferer - which funds it - have the duty and the ideal to everlasting optimization of the applying recommendations of diagnostic tactics. no longer least, this symposium additionally intended to slot the hot voice of spiral CT harmo niously into the symphonic ranking of diagnostic systems. the massive radiodiagno stic division ofthe collage clinics which has been verified on the Neues All gemeines Krankenhaus in Vienna, Austria, is proud to have together prepared this consumer symposium with Siemens.
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Additional resources for Advances in CT III: 3rd European Scientific User Conference SOMATOM PLUS Vienna, April 1994
Example text
EJR 16 : 107 -Ill 13. Thorsen MK, San Dretto MA, Lawson TL, Foley WD, Smith DF, Berland LL (1983) Dissecting aortic aneurysms: accuracy of computed tomographic diagnosis. OLDENDORF, E. ZEITLER, K. MAATSCH, P. WEBER Computed tomographic angiography (CTA) is a new minimally invasive method for displaying vessels. Planar images are processed from the images of a spiral CT examination, delivering results comparable with an angiography. ) angiography. A multiplicity of possibilities of improved imaging, primarily in the abdominal region, are shown in the application in computed tomography.
It permits clear diagnosis of atypical vascular paths of the celic artery and the superior mesenteric artery. It is well accepted by surgeons and is in these cases comparable with angiography for properative planning. Collateral circulations in the protal vein region do not achieve the quality of indirect splenoportography.
Another manifestation of movement artefact in a patient without dissection. a There is a rind of poor enhancement on the left anterior aspect of the aorta which could possibly be due to an unenhanced false lumen. b However, this rind cannot be seen on an image reconstructed 200 ms earlier. c The aorta in b is outlined by a region of interest. d Superimposition of the region of interest on a shows that the aorta has moved within the xy plane and thus the poor "enhancement" can be accounted for by partial volume effect Results Of the 54 patients referred, CT demonstrated definite aortic dissection in 22 (type A: 12, Type B: 10).
