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  • Angiography  (2)
  • Cardiac myxoma  (1)
  • Dementia  (1)
  • 1
    Digitale Medien
    Digitale Medien
    Springer
    Neuroradiology 33 (1991), S. 123-125 
    ISSN: 1432-1920
    Schlagwort(e): magnetic resonance ; Angiography ; Stereoscopy
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Recent developments in magnetic resonance (MR) allow high resolution imaging of flowing blood. To overcome the tomographic nature of conventional MR acquisitions, projection angiograms can be produced. These angiograms are similar in their display of blood vessels to plain film or digital subtraction angiograms. However, the three-dimensional information inherent in them is partly lost when single projections are viewed. We describe a method of three-dimensional display consisting of stereo pairs of the MR angiograms. With these an examiner experienced in stereo viewing can recover depth perception.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Springer
    Journal of neurology 245 (1998), S. 137-142 
    ISSN: 1432-1459
    Schlagwort(e): Key words Tinnitus ; pulsatile ; Differential diagnosis ; Vascular diseases ; Glomus tumour ; Angiography
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Pulsatile tinnitus can be annoying for a patient and can also be the only clue to a potentially devastating and life-threatening disease. In order to understand its clinical spectrum and management better we analysed the files of 84 patients seen at our institution over a 10-year period. Noninvasive techniques (ultrasound, computed tomography, magnetic resonance imaging) and angiography were employed as investigations tailored to the individual patient. A vascular disorder [i.e. arteriovenous fistula, dissection of the internal carotid artery (ICA), fibromuscular dysplasia, aneurysm of the ICA and sinus thrombosis] was found in 36 patients (42%), most commonly a dural arteriovenous fistula or a carotid-cavernous sinus fistula. In 26 patients with a vascular abnormality, pulsatile tinnitus was the presenting symptom. In 12 patients (14%), nonvascular disorders such as glomus tumour or intracranial hypertension with a variety of causes explained the tinnitus. We conclude that patients with pulsatile tinnitus should be investigated with noninvasive techniques. If these are negative or to clarify abnormal findings of noninvasive techniques selective angiography is needed for diagnosis and to guide treatment
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    Springer
    Journal of neurology 242 (1995), S. 689-694 
    ISSN: 1432-1459
    Schlagwort(e): Cardiac myxoma ; Aneurysm ; Dementia ; Computed tomography ; Magnetic resonance imaging
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract From 1980 to 1992 we followed 12 patients with cardiac myxomas for an average of 4.4 years (8 months–11 years). Presenting symptoms were neurological in four patients (hemiparesis, aphasia, visual field deficits, progressive dementia or vertigo), progressive dyspnoea in six, pulmonary embolism in one, and peripheral arterial or renal emboli in three. The diagnosis was suspected clinically in 11 patients. It was confirmed by echocardiography in ten and by thoracic CT in one. All these patients had cardiac surgery. One diagnosis was made at autopsy; the patient died unexpectedly during surgery for emboli to the leg arteries. At follow-up, two additional patients had died, one from myocardial infarction and one from rhabdomyosarcoma. Only one of the nine surviving patients had recurrent symptoms after cardiac surgery. His dementia continued to progress. The patients without new symptoms after cardiac surgery had normal MRI of the brain or residual ischaemic lesions. MRI of the patient with progressive dementia showed multiple cerebral lesions with a bright centre and a dark rim on T1- and T2-weighted spin-echo images. On CT there were many calcified lesions. CT, MR angiography and contrast angiography revealed multiple fusiform aneurysms. The rare occurrence of progressive neurological symptoms after myxoma resection with multiple cerebral lesions and aneurysms should suggest myxoma metastases to the brain.
    Materialart: Digitale Medien
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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