RöFo : Fortschritte auf dem Gebiete der Röntgenstrahlen und der Nuklearmedizin
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Amongst 1500 digital subtraction angiograms, there were 93 examinations of the arteries of the upper extremities. After intravenous contrast injection, DSA provided good demonstration of the subclavian, axillary, brachial, radial and ulnar arteries. ⋯ DSA makes the examination easier and quicker and reduces the risk of complications. Conventional catheter angiography is now required only for a few selected problems.
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Comparative Study
Possibilities and limits of computed tomography and angiography in diagnosis of cerebral vascular malformations.
CT findings in 18 patients with cerebral vascular malformations are presented. The following findings were established: 9 angiomas, 4 spontaneous intracerebral haematomas after angioma rupture, 3 aneurysms, 1 aneurysm of vena magna Galeni and 1 megasinus. Contrast medium was administered during every CT screening. ⋯ The authors point out the limits in possibilities of CT to diagnose cerebral vascular malformations. They also discuss the possible errors during CT procedure and deal with the problems of diagnostic differentiation of results. Discussing some cases of cerebral vascular malformations, the authors are trying to evaluate the reliability of the CT diagnostic method had compare it with angiography.
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The value of CT was assessed in 24 patients who died of cerebral gunshot injuries and in two patients with more recent injuries in order to reconstruct the mode of injury and for adding forensic information. The post-mortem and intravital appearances described and are compared with ultrasound rotation compound scans of the isolated brains. ⋯ Ultrasound produced images with an accuracy between CT and photographs of the brain specimen. Both methods are regarded as valuable additions to the pathological and forensic information concerning gunshot injuries.
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Nine cases are reported who had aneurysms of the ascending aorta and aortic valve incompetence and in whom aortic valve prostheses and aortic prostheses had to be implanted. Two patients had dissecting aneurysms. ⋯ Chest x-rays in two planes, kymograms and CT provided the diagnosis. The most important pre-operative examination in order to assess valve function and the origins of the coronary arteries is catheter angiography.