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.)

Significant improvement made within the Siemens CT scanner SOMATOM PLUS have opened new probabilities 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 under part a minute make radiological prognosis extra actual. Blind gaps are not any longer an incredible challenge, and all buildings, specifically within the lungs, should be pointed out and clinically determined. the sensible event of knowledgeable groupof medical researchers and physicists is now made to be had during this book.

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

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Frequency distribution of CT values as indexes of emphysema, lung parenchyma and fibrosis at the level of the carina and 5 cm below and above Table 2. 2% Actual data Pat. H. I. 2% cr values at defined HU intervals as indexes of emphysema (E), lung parenchyma (L) and fibrosis (F) in the patient with idiopathic fibrosis Table 3. 3 L. Pat. 1. 5) and the left-sided level at the carina show slightly elevated indexes of the lung parenchyma. 2. 87 (kPaxs). The histogram analysis shows a global decrease of the index of lung parenchyma and an increase of the index of fibrosis (Table 4).

Neuroblastoma, demonstrated by SVCT. The patient received insufficient sedation, but nevertheless the scans were of sufficient diagnostic value account for the rest. In our series one patient had a thoracic manifestation, but the scans could not be presented because of technical failure. All lesions in the upper abdomen (nine patients) and pelvis (three patients) could be detected with SV CT as well as MRI. Abdominal masses could be detected within less than 30 s. Comparisons with standard CT (Fig.

A Proximal both grafts (ventral LAD graft, dorsal marginal branch graft) are demonstrated in a longitudinal aspect (arrows). 1 HU) and the LAD graft ventral to the ascending aorta (arrow). 9 HU. This is probably due to a reduced run off (see Fig. 2) Evaluation of Aortocoronary Graft Patency 53 CT images were reviewed by one experienced radiologist in two steps. In the first step he was unaware of the number and types of vessels implanted, and in a second step he had this information. Sensitivity was defined as the rate of correctly diagnosed patent vessels.

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