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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 96 (1992), S. 10450-10453 
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Der Nervenarzt 67 (1996), S. 883-885 
    ISSN: 1433-0407
    Keywords: Schlüsselwörter Sarkoidose ; Fokale Anfälle ; Bronchoalveoläre Lavage ; Key words Sarcoidosis ; Focal seizures ; Bronchoalveolar lavage
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary A 46-year old patient is reported presenting with somatosensory focal seizures of either arm as the only manifestation of an otherwise clinically inapparent sarcoidosis. MRI showed signs of a granulomatous leptomeningeal affection. Histological examination of a meningeal biopsy proved the diagnosis of sarcoidosis by demonstrating noncaseating granulomas. There was no other clinical manifestation of sarcoidosis. Chest X-ray was normal and the serum level of angiotensin-converting-enzyme was only slightly elevated. The CD4/CD8 ratio in the bronchoalveolar lavage cell population, however, was clearly abnormal, supporting the role of this diagnostic tool in the diagnosis of sarcoidosis.
    Notes: Zusammenfassung Wir berichten über einen 46 jährigen Patienten mit wechselseitig auftretenden sensiblen Jackson-Anfällen der Arme als einziger Manifestation einer klinisch bislang inapparenten Sarkoidose. Kernspintomographisch fanden sich Hinweise auf eine granulomatöse leptomeningeale Affektion; eine meningeale Biopsie sicherte durch den histologischen Nachweis nichtverkäsender Granulome die Diagnose. Klinisch gab es keinen weiteren Anhalt für eine Sarkoidose. Der röntgenologische Thoraxbefund war unauffällig; das Angiotensin-converting-Enzym im Serum war nur gering erhöht. Die Anteile der Lymphozytensubpopulation (CD4/CD8-Ratio) in der Bronchiallavage waren dagegen deutlich pathologisch verändert, was die Bedeutung dieser diagnostischen Methode bei der Sarkoidose unterstreicht.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Der Nervenarzt 70 (1999), S. 560-565 
    ISSN: 1433-0407
    Keywords: Schlüsselwörter Amiodaron ; Toxische Optikusneuropathie ; Papillopathie ; Key words Amiodarone ; Toxic optic neuropathy ; Papillopathy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Summary We report a case of visual loss and bilateral papilloedema under therapy with the antiarrhythmic substance amiodarone, which is used in treatment of refractory and life-threatening supraventricular and ventricular cardial tachyarrhythmias. After excluding intracranial hypertension, local tumors and an inflammatory genesis we consider this case to be an amiodarone-induced toxic opticusneuropathy. Amiodarone, a diiodated benzofuran derivative, is a cationic amphiphilic drug, which is able to cause ceratopathy and neuropathy. The rarely described and less known opticusneuropathy caused problems in differential diagnosis. A brief review about current knowledge of pathophysiology, differential diagnosis and course of illness is presented.
    Notes: Zusammenfassung Wir berichten über einen Fall von Visusverlust mit beidseitigen Papillenödemen unter der Therapie mit dem Antiarrhythmikum Amiodaron, das in der Behandlung therapierefraktärer lebensbedrohlicher supraventrikulärer und ventrikulärer Tachyarrhythmien eingesetzt wird. Bei Ausschluß einer intrakraniellen Druckerhöhung, lokaler raumfordernder Prozesse und einer entzündlichen Genese werten wir diesen Fall als Amiodaron-induzierte toxische Optikusneuropathie. Amiodaron, ein diiodiertes Benzofuranderivat, ist eine kationische amphiphile Verbindung und besitzt die Eigenschaft, Keratopathie und Neuropathien auszulösen. Die selten beschriebene und wenig bekannte Optikusneuropathie führte zu differentialdiagnostischen Problemen. Eine kurze Übersicht über die derzeitigen Erkenntnisse zu Pathophysiologie, Differentialdiagnose und Verlauf der Erkrankung wird gegeben.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Acta neurochirurgica 142 (2000), S. 205-208 
    ISSN: 0942-0940
    Keywords: Keywords: Brain abscess; computerized tomography; cerebritis; subarachnoid haemorrhage.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary ¶ The case of evolving multiple brain abscesses which became symptomatic with a sudden hemianopsia and the clinical and radiological signs of a subarachnoid haemorrhage, is reported. A common pathomechanism which could explain both the sudden focal neurological deficit and the subarachnoid bleeding is discussed.
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1432-1920
    Keywords: Key words Hypertension ; intracranial ; Dural sinuses
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We present a rare cause of intracranial hypertension in a 19-year-old woman. The torcular was obstructed by a cystic developmental lesion, thought preoperatively to be an epidermoid. The patient also had a second lesion of possibly developmental origin, a cerebral cavernous haemangioma.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Der Radiologe 37 (1997), S. 871-877 
    ISSN: 1432-2102
    Keywords: Key words Cerebrovascular disease • Low-flow infarct • Computed tomography • Magnetic resonance imaging • Angiography ; Schlüsselwörter Zerebrovaskuläre Erkrankungen • Endstrominfarkt • CT • Magnetresonanztomographie • Neuroangiographie
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Zusammenfassung Die Klassifikation von Hemisphäreninfarkten allein nach Lage, Form und Ausdehnung der parenchymalen Läsion in der neuroradiologischen Schnittbilddiagnostik (CT,MRT) ist schwierig bei kleinen subkortikalen Infarkten und Infarkten an der postulierten Grenze zwischen Anterior-, Media- und Posteriorterritorium. Differentialdiagnostisch kommen neben hämodynamisch verursachten Infarkten thromboembolische oder mikroangiopathische Gefäßverschlüsse in Frage. Im folgenden soll ein Überblick über pathogenetische Konzepte, die klinische Symptomatologie sowie die vaskulären Entstehungsbedingungen und Läsionsmuster subkortikaler Infarkte hämodynamischer Genese gegeben werden. Das CT- und MR-morphologische Bild der subkortikalen Marklagerläsionen, die solitär, kettenförmig oder konfluierend sein können, ist zwar typisch, aber nicht spezifisch für Endstrominfarkte. Die Diagnose setzt die Kenntnis des angiomorphologischen Bedingungsgefüges voraus. Neben Stenosen der großen zerebralen Arterien ist zusätzlich eine Beeinträchtigung des Circulus Willisi zu fordern, so daß ein häufig assoziierter, uni- oder bilateraler Verschlußprozeß der Aa. carotides nicht ausreichend über Kollateralen kompensiert werden kann.
    Notes: Summary Classification of brain infarcts based on the location, size and shape of parenchymal damage alone can be difficult and misleading. This is particularly true in subcortical infarctions and infarcts in so-called watershed areas between neighboring territories of the main hemispheric arteries. Pathogenetic mechanisms, signs and symptoms, lesion patterns in CT and MRI are discussed as well as angiomorphological conditions. Hemodynamically induced low-flow infarcts are rare and show typical, but not pathognomic lesion patterns on CT and MRI. Characteristic subcortical chainlike and confluent lesions are located in the supra- and paraventricular white matter, representing the core of a hemodynamically induced infarction. Definite diagnosis of low-flow infarcts requires information on the underlying complex vascular compromise of the extra- and intracranial arterial circulation. A noncompetent circle of Willis is the main predisposing condition in hemispheric low-flow infarcts even in severe occlusive disease of the internal carotid arteries.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    European radiology 7 (1997), S. 913-917 
    ISSN: 1432-1084
    Keywords: Key words: DVA ; Brain stem ; MRI ; Clinical symptoms ; Trigeminal neuralgia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Developmental venous anomalies (DVA) are considered as variant patterns of cerebral venous drainage. Although generally not rare in the cerebellum, DVA of the brain stem or of the cerebellum with drainage through the brain stem are exceptional findings. Because it is not clear whether DVA may sometimes be of clinical significance, we try to correlate the clinical findings of the patients with the course of the variant vessels. We reviewed the literature and report three additional cases. All patients were examined by MRI and digital subtraction angiography. In particular, we discuss the drainage route as compared with the established patterns of posterior fossa blood drainage, which is directed to the dural sinuses, the petrosal vein or the vein of Galen. In one of our patients suffering from trigeminal neuralgia, the close topical relation of the DVA and the trigeminal nucleus and trigeminal nerve entry zone suggests a causal relationship. In a second case the brain stem symptoms were due to haemorrhage of a concomitant cavernoma. It remains unclear if the occurrence of dysarthria and dysaesthesia in the third patient with brain stem DVA was purely coincidental. The only clinical symptom directly attributable to a DVA with transpontine drainage in our series was trigeminal neuralgia.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Journal of neurology 236 (1989), S. 170-173 
    ISSN: 1432-1459
    Keywords: Ethylene glycol intoxication ; Computed tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The case of a young man with sublethal ethylene glycol poisoning is reported. Complete recovery occurred after 12 days of deep coma and a prolonged flaccid tetraplegia. The lesions of gross degree in the CNS, demonstrated by serial CT, resolved and electrophysiological testing as well as neuromuscular signs improved. The recovery, clinically and radiographically, over 35 days was dramatic. Ethylene glycol intoxication should always be considered in the differential diagnosis of acute severe encephalopathy because complete recovery is possible with correct therapy.
    Type of Medium: Electronic Resource
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