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  • cerebrospinal fluid  (8)
  • Magnetic resonance imaging  (5)
  • vascular dementia of the Binswanger type  (4)
  • CT  (3)
  • (Mastocytoma P-815 cell)  (2)
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Material
Years
Keywords
  • 11
    Electronic Resource
    Electronic Resource
    The anterior choroidal artery syndrome (1994)
    Springer
    Neuroradiology 36 (1994), S. 340-345 
    Details
    ISSN: 1432-1920
    Keywords: Infarcts, anterior choroidal artery ; CT ; MRI ; Angiography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We reviewed 12 cases of infarcts in the territory of the anterior choroidal artery (AChA) on CT and/or MRI. In each case vascular occlusion in the region was verified angiographically. Although the extent of the lesion on CT/MR images was variable, all were located on the axial images within an arcuate zone between the striatium anterolaterally and the thalamus posteromedially. The distribution of the lesions on mutiplanar MRI conformed well to the territory of the AChA demonstrated microangiographically. The variability of the extent of the infarcts may be explained by variations in the degree of occlusive changes in the AChA or the development of collateral circulation through anastomoses between the AChA and the posterior communicating and posterior cerebral arteries. The extent of the lesion appeared to be closely related to the degree of neurological deficit.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00612114
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  • 12
    Electronic Resource
    Electronic Resource
    Reye's syndrome with cortical laminar necrosis: MRI (1996)
    Springer
    Neuroradiology 38 (1996), S. 269-272 
    Details
    ISSN: 1432-1920
    Keywords: Key words Reye's syndrome ; Cortical laminar necrosis ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Serial MRI findings are described in two patients with Reye's syndrome, demonstrating diffuse cortical and white matter changes. In the acute stage, T2-weighted images showed subtle but definite laminar high signal and contrast-enhanced T1-weighted images laminar enhancement, along the entire cerebral cortex bilaterally. In the chronic stage, unenhanced T1-weighted images showed diffuse cortical laminar high signal. These characteristic MRI features seemed very similar to those of laminar cortical necrosis in hypoxic brain damage. MRI also displayed delayed white matter changes with cerebral atrophy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00596545
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    Paper (German National Licenses)
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  • 13
    Electronic Resource
    Electronic Resource
    Reye's syndrome with cortical laminar necrosis: MRI (1996)
    Springer
    Neuroradiology 38 (1996), S. 269-272 
    Details
    ISSN: 1432-1920
    Keywords: Reye's syndrome ; Cortical laminar necrosis ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Serial MRI findings are described in two patients with Reye's syndrome, demonstrating diffuse cortical and white matter changes. In the acute stage, T2-weighted images showed subtle but definite laminar high signal and contrast-enhanced T1-weighted images laminar enhancement, along the entire cerebral cortexbilateraly. In the chronic stage, unenhanced T1-weighted images showed diffuse cortical laminar high signal. These characteristic MRI features seemed very similar to those of laminar cortical necrosis in hypoxic brain damage. MRI also displayed delayed white matter changes with cerebral atrophy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00596545
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    Paper (German National Licenses)
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  • 14
    Electronic Resource
    Electronic Resource
    Serial imaging in MELAS (1997)
    Springer
    Neuroradiology 39 (1997), S. 427-430 
    Details
    ISSN: 1432-1920
    Keywords: Key words Mitochondrial cytopathy ; MELAS ; Computed tomography ; Magnetic resonance imaging ; Single-photon emission computed tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report two patients with fatal mitochondrial myopathy, encephalopathy, lactic acidosis, and stroke-like episodes (MELAS). Single-photon emission computed tomography (SPECT) with 123I-N-isopropyl-p-iodoamphetamine was more sensitive to the lesions than CT or MRI. SPECT showed focal hyperperfusion before or during the stroke and diffuse hypoperfusion of the brain, sparing the basal ganglia in the terminal stages. These findings support the theory that metabolic disturbance in the brain causes the “stroke” in MELAS.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050438
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  • 15
    Electronic Resource
    Electronic Resource
    CT and MR imaging of craniopharyngioma (1997)
    Springer
    European radiology 7 (1997), S. 464-469 
    Details
    ISSN: 1432-1084
    Keywords: Key words: Craniopharyngioma ; MR ; CT
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. We reviewed imaging findings of CT and MR imaging in 20 cases of surgically confirmed craniopharyngioma in an attempt to determine their relation to patterns of tumor extent. The relationship between these patterns and the frequency of preoperative CT diagnosis and MR imaging diagnosis according to the surgical diagnosis were determined. The CT technique was superior to MR imaging in the detection of calcification. The MR imaging technique was superior to CT for determining tumor extent and provided valuable information about the relationships of the tumor to surrounding structures. Thus, CT and MR imaging have complementary roles in the diagnosis of craniopharyngiomas. In cases of possible craniopharyngioma, noncontrast sagittal T1-weighted images may enable the identification of the normal pituitary, possibly leading to the correct diagnosis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003300050184
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  • 16
    Electronic Resource
    Electronic Resource
    Cerebrospinal fluid acetylcholine and choline in vascular dementia of Binswanger and multiple small infarct types as compared with Alzheimer-type dementia (1996)
    Springer
    Journal of neural transmission 103 (1996), S. 1211-1220 
    Details
    ISSN: 1435-1463
    Keywords: Acetylcholine ; choline ; cerebrospinal fluid ; Alzheimer-type dementia ; vascular dementia of the Binswanger type ; multi-infarct dementia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The acetylcholine (ACh) and choline (Ch) concentrations in the cerebrospinal fluid were investigated in patients with vascular dementia of the Binswanger type (VDBT) or multiple small infarct type (MSID) as compared with patients with Alzheimer-type dementia (ATD). The ACh concentration in patients with ATD was found to be significantly lower than in controls (73%, p 〈 0.0001), and showed a significant positive correlation with dementia scale scores (rs=0.63, p 〈 0.03). The Ch concentration in the CSF of ATD patients was approximately the same as in controls. In VDBT/MSID patients, the ACh concentration was significantly lower than in controls (p 〈 0.001), also showing a significant positive correlation with dementia scale scores (rs=0.62, p 〈 0.02), but was significantly higher than in ATD patients (p 〈 0.001). Moreover, the Ch concentration in VDBT/MSID patients was significantly higher than in controls (p 〈 0.001) or ATD patients (p 〈 0.001). These results suggest that simultaneous determination of ACh and Ch concentrations in CSF may be useful for differentiating VDBT/MSID from ATD and that increasing the ACh level using cholinergic agents may be a beneficial therapeutic strategy for the treatment of ATD as well as VDBT/MSIT, and is worthy of further investigation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01271206
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  • 17
    Electronic Resource
    Electronic Resource
    Concentration of monoamines and their metabolites in the cerebrospinal fluid from patients with senile dementia of the Alzheimer type and vascular dementia of the Binswanger type (1992)
    Springer
    Journal of neural transmission 4 (1992), S. 69-77 
    Details
    ISSN: 1435-1463
    Keywords: Dopamine ; norepinephrine ; cerebrospinal fluid ; senile dementia of the Alzheimer type ; vascular dementia of the Binswanger type
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We measured the concentrations of total (conjugated and unconjugated) monoamines (dopamine, DA; norepinephrine, NE) and monoamine metabolites (homovanillic acid, HVA; 3-methoxy-4-hydroxyphenyleneglycol, MHPG; 5-hydroxyindoleacetic acid, 5-HIAA) in the cerebrospinal fluid (CSF), using HPLC-ECD in 11 patients with Alzheimer's disease (AD) or senile dementia of the Alzheimer type (SDAT), 17 patients with vascular dementia of the Binswanger type (VDBT), and 15 controls. In AD/SDAT, there was a significant decrease in the DA concentration and a significant increase in the MHPG concentration. The average NE concentration was not altered, but significantly increased with the progression of intellectual disability. There were no significant changes in HVA and 5-HIAA concentrations. Patients with VDBT showed a significant increase in the DA concentration and a significant decrease in HVA and 5-HIAA concentrations. The DA concentrations increased significantly with the progression of dementia and ventricular enlargement. These results indicate that the noradrenergic and dopaminergic system in particular are altered in AD/SDAT, while the dopaminergic and serotonergic systems are mainly involved in VDBT.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02257623
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    Paper (German National Licenses)
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  • 18
    Electronic Resource
    Electronic Resource
    Indoleamine concentrations in cerebrospinal fluid from patients with Alzheimer type and Binswanger type dementias before and after administration of citalopram, a synthetic serotonin uptake inhibitor (1995)
    Springer
    Journal of neural transmission 9 (1995), S. 121-131 
    Details
    ISSN: 1435-1463
    Keywords: Alzheimer type dementia ; vascular dementia of the Binswanger type ; serotonin ; kynurenine ; citalopram ; cerebrospinal fluid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary We studied changes in the concentrations of serotonin (5-HT), kynurenine, and other indoleamines in the cerebrospinal fluid of patients with Alzheimer type dementia (ATD) and those with Binswanger type vascular dementia (VDBT), and changes in these indoleamine concentrations 2 weeks after administration of citalopram, a 5-HT uptake inhibitor. The concentrations of total 5-HT (p〈0.005) and kynurenine (p〈0.005) were significantly decreased in ATD patients in comparison to those of the controls. After citalopram administration, there was a remarkable increase in 5-HT concentration (249%, p〈0.0001) and a significant decrease in 5-HIAA concentration (22%, p〈0.02). In the VDBT patients, only 5-HT showed a significant decrease (p〈0.005) in comparison to the control values. It also increased significantly (214%) after citalopram administration. The 5-HT/tryptophan and kynurenine/tryptophan ratios were not correlated for the controls, but did significantly for the ATD and VDBT patients; after citalopram treatment, the increase in 5-HT/tryptophan was correlated significantly with that of kynurenine/tryptophan for ATD, but not for VDBT. These results suggest that both the serotonin and kynurenine pathways are impaired in ATD; whereas, the serotonin pathway alone is in VDBT, and that these impairments are ameliorated by the administration of citalopram.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02259654
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