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  • 1
    Electronic Resource
    Electronic Resource
    Magnetic resonance imaging of cor triatriatum (1988)
    Springer
    Pediatric cardiology 9 (1988), S. 149-151 
    Details
    ISSN: 1432-1971
    Keywords: Cor triatriatum ; Magnetic resonance imaging ; Phase display
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Magnetic resonance imaging utilizing spin echo sequences was used to demonstrate cor triatriatum in an 18-year-old boy. Phase map images aided the diagnosis by demonstrating the presence of slowly flowing blood in the accessory atrial chamber. Magnetic resonance is an excellent modality for the noninvasive diagnosis of cor triatriatum.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02080555
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Magnetic resonance imaging of avascular necrosis of the femoral head (1986)
    Springer
    Skeletal radiology 15 (1986), S. 133-140 
    Details
    ISSN: 1432-2161
    Keywords: Magnetic resonance imaging ; Osteonecrosis ; Bone disease, hip
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract This study investigates the role of magnetic resonance imaging (MR) in identifying avascular necrosis (AVN) of the femoral head and in monitoring its therapy. The detection of AVN, particularly in its early stages, is imperative to give therapeutic intervention the best opportunity for successful management. The results of magnetic resonance imaging are compared with those of the standard diagnostic modalities in evaluation of patients with the lesion. Examinations were performed at 0.12 T with a repetition time (TR) of 143 ms and times to echo (TE's) of 10 or 20 ms. This study represents a retrospective review of 90 hips which were examined in 45 consecutive patients. Of these, 52 hips were biopsied as part of treatment. MR was shown to be sensitive in the detection of AVN. Comparison of MR with radionuclide imaging showed comparable sensitivity and specificity. MR was also noted to be sensitive in the detection of early AVN. Preliminary results suggest that MR can monitor treatment of the affected hip, and may even be able to predict patient response to therapy. Although further work is necessary to determine the role of MR in the evaluation of the patient presenting with hip pain, MR is a sensitive method in detecting AVN and in monitoring its course in patients suspected of having the disease.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00350207
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  • 3
    Electronic Resource
    Electronic Resource
    Magnetic resonance imaging and angiography of the brain in embolic left atrial myxoma (1989)
    Springer
    Neuroradiology 31 (1989), S. 137-139 
    Details
    ISSN: 1432-1920
    Keywords: Magnetic resonance imaging ; Cerebral angiography ; Atrial myxoma
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A case of left atrial myxoma presenting exclusively with neurological symptoms, studied with magnetic resonance imaging (MRI) combined with cerebral angiography and computed tomography (CT) is reported. Typical angiographic findings suggested the diagnosis of myxoma. MRI showed multiple ischemic lesions disseminated throughout the entire brain, some of which had been clinically asymptomatic. Because of its sensitivity in identifying small cerebral infarcts, MRI should prove in the future to be a first-choice technique in the evaluation of the presence of and extent of cerebral involvement in embolic left atrial myxoma.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00698841
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  • 4
    Electronic Resource
    Electronic Resource
    MRI of intracerebral haematoma at low field (0.15T) using T2 dependent partial saturation sequences (1988)
    Springer
    Neuroradiology 30 (1988), S. 367-371 
    Details
    ISSN: 1432-1920
    Keywords: Magnetic resonance imaging ; Intracerebral haematoma ; Low field MRI
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Results of MRI at 0.15T in twelve successive patients with intracerebral haematoma are reviewed. Using T2 weighted spin echo (SE) and partial saturation (PS without a refocussing 180° pulse) sequences, low intensity areas were seen in eleven of the twelve cases. These included central regions (three cases), a peripheral rim (seven cases) and more diffuse patterns involving the brainstem and cerebral hemispheres (two cases). One case initially displayed a peripheral rim and later a central low intensity region. Central low intensity regions were seen in acute, subacute, and chronic cases. Follow up in five cases displayed an increase in signal within the haematoma in three cases and a decrease in signal intensity in two cases. Low signal intensity areas can be seen within and around intracerebral haematomas imaged with T2 weighted sequences at low field strength.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00404099
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  • 5
    Electronic Resource
    Electronic Resource
    Anatomy of the thoracic aorta: Magnetic resonance imaging and interpretation of flow phenomena (1987)
    Springer
    Surgical and radiologic anatomy 9 (1987), S. 141-149 
    Details
    ISSN: 1279-8517
    Keywords: Magnetic resonance imaging ; Thoracic aorta ; Gated acquisition ; Oblique slices ; Flow Phenomena
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Les auteurs présentent les résultats d'une investigation concernant l'imagerie par résonance magnétique de l'aorte thoracique d'après l'étude de huit volontaires et d'un patient suspect de maladie de Takayasu mais ayant une aorte morphologiquement normale. Des coupes axiales, frontales, sagittales et obliques ont été réalisées et les résultats morphologiques sont présentés. De plus, les principaux phénomènes de flux sont expliqués et des exemples de chacun sont montrés.
    Notes: Summary The authors present the results of magnetic resonance imaging (MRI) in the investigation of the anatomy of the thoracic aorta in a group of eight volunteers and in one patient with presumptive Takayasu's disease but with normal aorta. Transaxial, coronal, sagittal and oblique slices were made and the morphologic results are presented. Major flow phenomena are also discussed and some examples given.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02086599
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Multiple sclerosis and corpus callosum atrophy: Relationship of MRI findings to clinical data (1988)
    Springer
    Neuroradiology 30 (1988), S. 478-480 
    Details
    ISSN: 1432-1920
    Keywords: Multiple sclerosis ; Magnetic resonance imaging ; Corpus callosum atrophy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Among 110 patients (45 men, 65 women), aged 15 to 66, with clinical and/or biological diagnosis of multiple sclerosis (MS), severe to moderate corpus callosum (CC) atrophy was observed in 67 (60%) patients. Correlation between CC atrophy, brain atrophy, duration and severity of clinical symptoms, and high signal white matter areas, was carried out in 90 patients. Mean age was 46 years for those with severe CC atrophy, and 33 years for those without atrophy. Mean duration of the disease was 14 years in patients with severe atrophy, and 5 years in patients without atrophy. Severity of clinical symptoms is more pronounced in patients with severe CC atrophy. Numerous or large white matter high signal areas are observed in patients with severe CC atrophy on T2-weighted images. CC atrophy appears earlier than brain atrophy in the course of MS.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00339686
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  • 7
    Electronic Resource
    Electronic Resource
    Topological characteristics of brainstem lesions in clinically definite and clinically probable cases of multiple sclerosis: an MRI-study (1987)
    Springer
    Neuroradiology 29 (1987), S. 530-534 
    Details
    ISSN: 1432-1920
    Keywords: Multiple scleosis, diagnosis of ; Magnetic resonance imaging ; Vascular brain disease
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Disseminated lesions in the white matter of the cerebral hemispheres and confluent lesions at the borders of the lateral ventricles as seen on MRI are both considered acceptable paraclinical evidence for the diagnosis of multiple sclerosis. Similar changes are, however, also found in vascular diseases of the brain. We therefore aimed at identifying those additional traits in the infratentorial region, which in our experience are not frequently found in cerebrovascular pathology. We evaluated MR brain scans of 68 patients and found pontine lesions in 71% of cases with a clinically definite diagnosis (17 out of 24) and in 33% of cases with a probable diagnosis (14 out of 43). Lesions in the medulla oblongata were present in 50% and 16%, respectively, and in the midbrain in 25% and 7%, respectively. With rare exceptions all brainstem lesions were contiguous with the cisternal or ventricular cerebrospinal fluid spaces. In keeping with post-mortem reports the morphological spectrum ranged from large confluent patches to solitary, well delineated paramedian lesions or discrete linings of the cerebrospinal fluid border zones and were most clearly depicted from horizontal and sagittal T2 weighted SE-sequences. If there is a predilection for the outer or inner surfaces of the brainstem, such lesions can be considered an additional typical feature of multiple sclerosis and can be more reliably weighted as paraclinical evidence for a definite diagnosis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00350435
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  • 8
    Electronic Resource
    Electronic Resource
    The MR appearance of hypothalamic hamartoma (1988)
    Springer
    Neuroradiology 30 (1988), S. 65-68 
    Details
    ISSN: 1432-1920
    Keywords: Hypothalamic hamartoma ; Precocious puberty ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Hypothalamic hamartoma is the most common detectable cerebral lesion causing precocious puberty. Two histologically confirmed cases were studied by computerized tomography (CT) and magnetic resonance (MR) imaging. T2 weighted, sagittal MR images were superior to CT in delineating the tumor from surrounding grey matter. The lesion was isointense to grey matter on T1 weighted images allowing exclusion of other hypothalamic tumors. MR will undoubtedly become the imaging modality of choice in the detection of hypothalamic hamartoma.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00341946
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  • 9
    Electronic Resource
    Electronic Resource
    MRI and CT of ankylosing spondylitis with vertebral scalloping (1988)
    Springer
    Neuroradiology 30 (1988), S. 272-275 
    Details
    ISSN: 1432-1920
    Keywords: Ankylosing spondylitis ; Cauda equina syndrome ; Vertebral scalloping ; Dural ectasia ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Three cases of cauda equina syndrome in long-standing ankylosing spondylitis are reported. In all, vertebral scalloping and dural ectasia were confirmed by magnetic resonance imaging and computed tomography. MRI showed widening of the dural sac with signal intensity corresponding to cerebrospinal fluid. CT demonstrated asymmetrical lesions of the posterior elements of the lumbar spine. Myelography was not felt necessary to confirm the findings.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00341843
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  • 10
    Electronic Resource
    Electronic Resource
    Magnetic resonance imaging in the evaluation of treatment in multiple sclerosis (1988)
    Springer
    Neuroradiology 30 (1988), S. 299-302 
    Details
    ISSN: 1432-1920
    Keywords: Magnetic resonance imaging ; Quantification ; Multiple sclerosis ; Treatment ; Evaluation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Magnetic resonance scans of 74 patients with multiple sclerosis participating in a controlled trial were compared 6 months before and at the end of a 24–32 months-treatment period with either Cyclosporin A (n=31) or Azathioprine (n=43). Both qualitative rating and computation of lesion volume showed deterioration in more than 40% of the patients, while by clinical criteria only 10–30% were worse. No significant difference was noted when the two treatment groups were compared. If careful repositioning and standardized image parameters are used, MRI is an indispensable tool for the objective determination of disease progression in MS although it cannot replace clinical examination.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00328179
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