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  • Aneurysm  (1)
  • Brain parenchyma enhancement  (1)
  • Cavernoma  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Der Nervenarzt 71 (2000), S. 995-999 
    ISSN: 1433-0407
    Keywords: Schlüsselwörter Intrazerebrales Hämatom ; Chronisch eingekapseltes intrazerebrales Hämatom ; Intrakranielle Blutung ; Zerebrale vaskuläre Malformation ; Kavernom ; Keywords Intracerebral hematoma ; Chronic encapsulated intracerebral hematoma ; Intracranial hemorrhage ; Cerebral vascular malformation ; Cavernoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary The purpose of this case report is to describe chronic encapsulated intracerebral hematoma (CEIH), a rare and not fully understood brain lesion. The differentiation from chronic cerebral hematoma, cerebral abscess, and intra-axial tumor is based on clinical and imaging criteria. The diagnosis is confirmed by histological analysis. In the English medical literature, we found 39 patients reported with this lesion. The key feature is the formation of a capsule between a hematoma and cerebral parenchyma. The reasons for this formation are not known. In our patient, an arteriovenous malformation was located outside but adjacent to the CEIH.
    Notes: Zusammenfassung Ziel der Arbeit ist es, die seltene Erkrankung des chronisch eingekapselten intrazerebralen Hämatoms (CEIH) zu erläutern, sie vom chronisch intrazerebralen Hämatom (CIH) klinisch und vom zerebralen Abszess und Tumor mittels der bildgebenden Diagnostik abzugrenzen und die histologischen Befunde zu definieren, die die Diagnose bestätigen. In der englischsprachigen Literatur sind 39 Patienten mit dieser Erkrankung beschrieben. Im Unterschied zu den akuten und chronischen intrazerebralen Hämatomen bildet sich beim CEIH aus unbekannten Gründen eine Kapsel. Anhand der Kasuistik einer eigenen Patientin und der vorliegenden Fallmitteilungen werden die charakteristischen Merkmale des CEIH erläutert. Die Besonderheit des eigenen Falles ist der histologische Nachweis der die Blutung verursachenden Gefäßmissbildung außerhalb der Hämatomhöhle.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1920
    Keywords: Computed tomography ; Rapid imagesplitting ; Contrast bolus ; Brain parenchyma enhancement ; Brain death
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Twenty-three patients complying with the clinical criteria for brain death were studied by contrast-enhanced CT. In all but one, the great intracranial vessels escaped visualization; accordingly, angiography demonstrated cerebral circulatory arrest. In the remaining case, faint enhancement of the circle of Willis corresponded to angiographic demonstration of the proximal segments of cerebral arteries. Neither in normal brain nor in dead brain did slow CT scanning disclose any postcontrast increase in parenchymal attenuation. An improved technique is proposed to demonstrate the transit of the contrast bolus by rapid CT with image splitting. If cerebral blood flow is preserved, the grey and white matter will enhance significantly following administration of contrast medium. Vice versa, the absence of enhancement confirms brain death, even in instances in which the great cerebral vessels are obscured by hemorrhage or other extensive lesions. Two additional cases of brain death were evaluated by rapid CT scanning. As to brain death, the technique obviates the need for angiography or radionuclide angiography, usually applied in prospective organ donors, because its informative content is superior to that of either method. The CT technique described affords a reliable and safe diagnosis of brain death, and can be interpreted easily.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1432-1920
    Keywords: Aneurysm ; Transcranial colour-coded duplex sonography ; Embolisation ; Subarachnoid haemorrhage
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We examined 72 patients with 89 angiographically confirmed intracranial aneurysms, using transcranial colour-coded duplex sonography (TCCD) to determine the location and size of the aneurysm. The patients were admitted for coil embolisation of their aneurysm following subarachnoid haemorrhage or because of a cranial nerve palsy. Using a 2/2.25 MHz transducer, 42 aneurysms (47%) were seen satisfactorily through the temporal bone window or foramen magnum. In 24 cases (27%) image quality was insufficient as a result of a poor bone window, of the aneurysm having a diameter of less than 6 mm or of its being in an unfavourable location. In 23 other cases (26%) it was not possible to detect the aneurysm. Thrombosed structures could be demonstrated using TCCD in 8 of 12 giant intracavernous or basilar artery aneurysms, and in 15 of 19 aneurysms treated by platinum coil embolisation. TCCD offers a noninvasive method for monitoring progressive intra-aneurysmal thrombosis following coil embolisation and for follow-up of patients with untreatable fusiform aeurysms, should this be required. Detection of small aneurysms is limited by spatial resolution and insonation angles.
    Type of Medium: Electronic Resource
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