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  • Digitale Medien  (7)
  • Computed tomography  (6)
  • Bile ducts, intraluminal tumor  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Sonographic diagnosis of intraluminal bile duct neoplasm: A report of 3 cases (1984)
    Springer
    Abdominal imaging 9 (1984), S. 329-333 
    Details
    ISSN: 1432-0509
    Schlagwort(e): Bile ducts, intraluminal tumor ; Cholangiocarcinoma ; Cystadenoma ; Ultrasound, diagnosis of jaundice
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Intraluminal growing tumors of the bile duct are uncommon causes of jaundice. The sonographic appearance of 2 hilar cholangiocarcinomas or Klatskin tumors and a benign extrahepatic biliary cystadenoma is described. Compared to contrast studies of the bile ducts, sonography better defined the intraductal character of the neoplasms. However, the ultrasound appearance did not allow differentiation between the adenocarcinomas and the benign cystadenoma.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01887862
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  • 2
    Digitale Medien
    Digitale Medien
    Spiral CT of the temporal bone: value of image reconstruction at submillimetric table increments (1995)
    Springer
    Neuroradiology 37 (1995), S. 150-154 
    Details
    ISSN: 1432-1920
    Schlagwort(e): Key words Temporal bone ; CT ; Temporal bone ; abnormalities ; Computed tomography ; technology
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Axial spiral CT of the temporal bones with a nominal slice thickness of 1 mm and 180° linear interpolation was performed in 13 patients. In 18 temporal bones, the spiral data set was used to reconstruct overlapping axial images with a table increment of 0.1 mm. These images gave additional information in four cases: in two by examining the heavily overlapping axial images themselves, and in two by obtaining supplementary information from secondary image reconstructions. In two cases less information was obtained than by using the conventional incremental images. This study shows that reconstructing overlapping slices can be useful, even if the temporal bone is scanned at 1 mm nominal slice thickness.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00588634
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  • 3
    Digitale Medien
    Digitale Medien
    Isodense subdural haematomas on CT: MRI findings (1992)
    Springer
    Neuroradiology 34 (1992), S. 497-499 
    Details
    ISSN: 1432-1920
    Schlagwort(e): Subdural haematoma ; Magnetic resonance imaging ; Computed tomography
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary MRI findings are described in two patients with subdural haematomas isodense on CT. In one patient, admitted 6 weeks after trauma, a chronic subdural haematoma showed extreme hypointensity on T2-weighted images, suggesting acute trauma, and therefore acute rebleeding. In the second patient with severe anaemia, an acute subdural haematoma was hyperintense on T2-weighted images, suggesting chronic trauma; this may be explained by the low haematocrit and a possible mixture of blood with cerebrospinal fluid. The MRI features of subdural haematomas and hygromas have to be kept in mind, in order not to misjudge the age of the haematoma.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00598959
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  • 4
    Digitale Medien
    Digitale Medien
    Spiral CT of intracranial aneurysms: correlation with digital subtraction and magnetic resonance angiography (1996)
    Springer
    Neuroradiology 38 (1996), S. S20 
    Details
    ISSN: 1432-1920
    Schlagwort(e): Key words Aneurysm ; intracranial ; Computed tomography ; helical ; Magnetic resonance angiography
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Spiral CT and magnetic resonance angiography (MRA) were performed in ten patients with 14 intracranial aneurysms known from conventional angiography. All lesions, the smallest 3 mm in diameter, were visible on spiral CT and MRA. The neck of the aneurysm and its anatomical relations could very accurately be determined in all cases. Advantages of spiral CT over MRA are: a short acquisition time with reduction of motion artefacts, no dependence on flow rate or cardiac output, and excellent visualisation of calcification, thrombus and bony landmarks. Disadvantages are the necessity for iodinated contrast medium, long postprocessing and reconstruction time and the possibility of overlap of bone and venous blood.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s002340050912
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  • 5
    Digitale Medien
    Digitale Medien
    Eosinophilic cystitis in a 3-year-old boy (1991)
    Springer
    European radiology 1 (1991), S. 177-178 
    Details
    ISSN: 1432-1084
    Schlagwort(e): Computed tomography ; Cystitis ; Eosinophilic cystitis ; ultrasound
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Eosinophilic cystitis is a rare in children; it also affects adults. Clinical manifestations are variable. The diagnosis can be confirmed by cystoscopy and biopsy, both rather invasive procedures, especially in younger patients. We report a 3-year-old boy with eosinophilic cystitis. The most important radiological finding was marked thickening of the bladder wall, documented on ultrasound, cystography and CT. The CT findings of eosinophilic cystitis have, to the best of our knowledge, not been reported before, In addition to ultrasound and cystography, CT clearly demonstrates extension of the inflammatory process into the perivesical tissues.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00451307
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  • 6
    Digitale Medien
    Digitale Medien
    Screening applications for MRI in the detection of upper abdominal disease: comparative study of non-contrast-enhanced single-shot MRI and contrast-enhanced helical CT (1999)
    Springer
    European radiology 9 (1999), S. 853-861 
    Details
    ISSN: 1432-1084
    Schlagwort(e): Key words: Magnetic resonance imaging ; Rapid imaging ; Magnetic resonance ; comparative studies ; Computed tomography ; helial technology
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract. Purpose: To compare the value of ’push-button' singe-shot non-contrast-enhanced MRI and contrast-enhanced helical CT for detection of upper abdominal disease. Methods: In 120 patients, images obtained with non contrast-enhanced single-shot MRI (T2: double echo HASTE, and T1: turbo FLASH) and contrast-enhanced helical CT were compared. Lesions or abnormalities were divided in 8 anatomical categories (1: liver; 2: pancreatobiliary; 3: kidney/adrenal gland; 4: retroperitoneum; 5: vascular; 6: spleen; 7: gastrointestinal tract and peritoneum; 8: base of thorax) and classified as follows: 2: seen at MRI only; 1: better seen at MRI; 0: no difference; −1: better seen at CT; −2: seen at CT only. Also recorded were the 'door-to-door’ examination times. Results: Of a total of 629 abnormalities, 594 were detected at MRI (94 %) and 536 at CT (85 %). CT offered better results in two categories only: retroperitoneum (mean score: −0.68) and vascular (mean score −0.87). Mean examination times were 19 min for CT and 14.8 min for MRI. Conclusion: Unenhanced single-shot MRI is a valuable first step of a comprehensive upper abdominal MR exam and may even be the final step in many patients.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s003300050755
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  • 7
    Digitale Medien
    Digitale Medien
    Non-invasive imaging of the great vessels of the chest (1998)
    Springer
    European radiology 8 (1998), S. 1099-1105 
    Details
    ISSN: 1432-1084
    Schlagwort(e): Key words: Aorta ; Pulmonary arteries ; Computed tomography ; Magnetic resonance
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract. Several excellent imaging modalities are available for studying the great vessels of the chest noninvasively. Besides computed tomography (CT), magnetic resonance imaging (MRI) and echocardiography (in particular the transesophageal approach) can accurately depict abnormalities of the thoracic vasculature, and are a valuable substitute for contrast angiography in most circumstances. The aim of this paper is to provide a comprehensive review of the current contribution of CT and MRI to the diagnosis of great vessel pathology of the chest.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/s003300050516
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