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  • 1
    Electronic Resource
    Electronic Resource
    MRI of congenital Foix-Chavany-Marie syndrome (1995)
    Springer
    Pediatric radiology 25 (1995), S. 316-317 
    Details
    ISSN: 1432-1998
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract MRI findings of bilateral central macrogyria allowed the diagnosis of a congenital variant of Foix-Chavany-Marie syndrome in four patients aged between 13 and 32 years, with facio-pharyngo-glosso-masticatory central diplegia, mental retardation and seizures.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02011116
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Optic neuropathy in Behçet's disease. Report of two cases (1999)
    Springer
    Italian journal of neurological sciences 20 (1999), S. 183-186 
    Details
    ISSN: 1126-5442
    Keywords: Key words Behçet's disease ; Optic neuropathy ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Orbital magnetic resonance imaging demonstrated increased signal of the optic nerve in short time inversion recovery (STIR) images of two young women with unilateral visual blurring. In both, recurrent oral and genital ulcerations and papulopustular lesions appeared within the next 14–15 months, respectively, allowing a diagnosis of Behçet's disease. Optic neuropathy may be an early manifestation of Behçt's disease and clinical follow-up is crucial for its diagnosis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s100720050030
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Small hepatocellular carcinoma: differentiation from adenomatous hyperplasia with color Doppler US and dynamic Gd-DTPA-enhanced MR imaging (1996)
    Springer
    Abdominal imaging 21 (1996), S. 41-48 
    Details
    ISSN: 1432-0509
    Keywords: Key words: Liver, cirrhosis—Liver neoplasms—Liver neoplasms, diagnosis—Liver neoplams, MR—Liver neoplams, US—US, Doppler study.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Background: To investigate the usefulness of color Doppler ultrasound (US) and dynamic Gd-DTPA-enhanced magnetic resonance (MR) imaging in the differentiation of small hepatocellular carcinoma (HCC) and adenomatous hyperplasia (AH). Methods: Thirty-eight small (3 cm or less) nodular lesions (in 38 cirrhotic patients) with US features consistent with HCC underwent evaluation with color Doppler US and MR imaging. Breath-hold T1-weighted rapid acquisition spin echo MR sequence after bolus injection of 0.1 mmol/kg gadopentetate dimeglumine was used to evaluate dynamic enhancement. US-guided tissue-core percutaneous biopsy established the diagnosis: HCC in 28 cases and AH in 10. Results: Color signals with pulsatile or continuous Doppler spectrum were demonstrated in 19 of 28 HCCs (68%) but in none of the AHs. Although there was considerable overlap in signal intensity between HCC and AH on both unenhanced T1- and T2-weighted images, early enhancement on breath-hold T1-weighted images obtained 40 s after starting contrast administration was observed in 22 of 28 HCCs (79%) but in none of the AHs. In 26 of 28 HCCs (93%), pulsatile or continuous flow at color Doppler US, early enhancement at dynamic MR imaging, or both were observed. Conclusion: Findings with color Doppler US and dynamic Gd-DTPA-enhanced MR imaging enable a reliable distinction between small HCC and AH.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002619900007
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    MRI of spinal epidural lymphoma (1995)
    Springer
    Neuroradiology 37 (1995), S. 303-307 
    Details
    ISSN: 1432-1920
    Keywords: Key words Spine ; neoplasm ; Lymphoma ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We reviewed the MRI features in eight patients with spinal epidural lymphoma (clinically primary in 4 patients); one patient had multiple lesions. The cervical spine was involved in one patient, the thoracolumbar spine in 5 and the sacrum in two. Mean longitudinal extension of the epidural lesion was 2.6 vertebral segments. The tumours were homogeneously isointense with the spinal cord on T1-weighted images and isointense or hyperintense on proton-density and T2-weighted images. The spinal cord was compressed in four patients but showed signal changes in only one. In five patients the lesions communicated through the intervertebral foramina with paravertebral soft tissue masses. In all but one of the patients diffuse signal changes in the vertebral body marrow consistent with osteolytic or osteoblastic changes were identified adjacent to or at distance from the epidural lesion. Vertebral collapse was observed in two patients.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00588341
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    MRI of spinal cord involvement in Behçet's disease: case report (1998)
    Springer
    Neuroradiology 40 (1998), S. 255-257 
    Details
    ISSN: 1432-1920
    Keywords: Key words Behçet's disease ; Spinal cord ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract MRI demonstrated well-defined areas of signal change and moderate contrast enhancement in the thoracic spinal cord of a patient with Behçet's disease presenting with subacute myelopathy. The patient improved after intravenous steroids, and MRI 5 months later showed a normal spinal cord.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050579
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Do acute lesions of Wernicke's encephalopathy show contrast enhancement? Report of three cases and review of the literature (1999)
    Springer
    Neuroradiology 41 (1999), S. 249-254 
    Details
    ISSN: 1432-1920
    Keywords: Key words Wernicke's encephalopathy ; Magnetic resonance ; Contrast enhancement imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Contrast medium was given intravenously to three nonalcoholic patients who underwent MRI or CT in the acute stage of Wernicke's encephalopathy. Pathological enhancement was not seen in one patient examined within 4 days of clinical onset, was mild in a another 3 days after clinical deterioration and marked in a patient examined 12 days after admission. Contrast enhancement of lesions was present in half of 12 cases of acute disease reported previously. There was a substantial overlap in the time interval between clinical onset and contrast-enhanced CT or MRI in the groups of enhancing and nonenhancing lesions. Since contrast enhancement may be absent in acute WE, proton-density and T 2-weighted images are more useful for diagnosis of this reversible but potentially fatal condition.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050741
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    MRI of spinal epidural lymphoma (1995)
    Springer
    Neuroradiology 37 (1995), S. 303-307 
    Details
    ISSN: 1432-1920
    Keywords: Spine neoplasm ; Lymphoma ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We reviewed the MRI features in eight patients with spinal epidural lymphoma (clinically primary in 4 patients); one patient had multiple lesions. The cervical spine was involved in one patient, the thoracolumbar spine in 5 and the sacrum in two. Mean longitudinal extension of the epidural lesion was 2.6 vertebral segments. The tumours were homogeneously isointense with the spinal cord on T1-weighted images and isointense or hyperintense on proton-density and T2-weighted images. The spinal cord was compressed in four patients but showed signal changes in only one. In five patients the lesions communicated through the intervertebral formaina with paravertebral soft tissue masses. In all but one of the patients diffuse signal changes in the vertebral body marrow consistent with osteolytic or osteobalstic changes were identified adjacent to or at distance from the epidural lesion. Vertebral collapse was observed in two patients.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00588341
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
  • 8
    Electronic Resource
    Electronic Resource
    MRI and MR angiography of vertebral artery dissection (1997)
    Springer
    Neuroradiology 39 (1997), S. 329-340 
    Details
    ISSN: 1432-1920
    Keywords: Key words Arteries ; vertebral ; Arteries ; dissection ; Magnetic resonance imaging ; Magnetic resonance angiography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A review of 4,500 angiograms yielded 11 patients with dissection of the vertebral arteries who had MRI and (in 4 patients) MR angiography (MRA) in the acute phase of stroke. One patient with incidental discovery at arteriography of asymptomatic vertebral artery dissection and two patients with acute strokes with MRI and MRA findings consistent with vertebral artery dissection were included. Dissection occurred after neck trauma or chiropractic manipulation in 4 patients and was spontaneous in 10. Dissection involved the extracranial vertebral artery in 9 patients, the extra-intracranial junction in 1, and the intracranial artery in 4. MRI demonstrated infarcts in the brain stem, cerebellum, thalamus or temporo-occipital regions in 7 patients with extra- or extra-intracranial dissections and a solitary lateral medullary infarct in 4 patients (3 with intracranial and 1 with extra-intracranial dissection). In 2 patients no brain abnormality related to vertebral artery dissection was found and in one MRI did not show subarachnoid haemorrhage revealed by CT. Intramural dissecting haematoma appeared as crescentic or rounded high signal on T1-weighted images in 10 patients examined 3–20 days after the onset of symptoms. The abnormal vessel stood out in the low signal cerebrospinal fluid in intracranial dissections, whereas it was more difficult to detect in extracranial dissections because of the intermediate-to-high signal of the normal perivascular structures and slow flow proximal and distal to the dissection. In two patients examined within 36 h of the onset, mural thickening was of intermediate signal intensity on T1-weighted images and high signal on spin-density and T2-weighted images. MRA showed abrupt stenosis in 2 patients and disappearance of flow signal at and distal to the dissection in 5. Follow-up arteriography, MRI or MRA showed findings consistent with occlusion of the dissected vessel in 6 of 8 patients.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050418
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    Paper (German National Licenses)
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  • 9
    Electronic Resource
    Electronic Resource
    Case Report. MRI and MR angiography of basilar artery dissection in a child (1997)
    Springer
    Neuroradiology 39 (1997), S. 654-657 
    Details
    ISSN: 1432-1920
    Keywords: Key words Basilar artery ; Arteries dissection ; Magnetic resonance imaging ; Magnetic resonance angiography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract MRI showed a pontine infarct and mural thickening of intermediate signal in T1-weighted images proximal to occlusion of the basilar artery in a 10-year-old boy. Two days later the mural thickening was of high signal, consistent with methaemoglobin formation and MR angiography (MRA) showed nonspecific lack of flow in the mid-segment of the basilar artery, which corresponded to a tapered occlusion at arteriography. MRI is more useful than MRA for noninvasive diagnosis of basilar artery dissection.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050485
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    Paper (German National Licenses)
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  • 10
    Electronic Resource
    Electronic Resource
    Phase-contrast MR angiography of intracranial dural arteriovenous fistulae (1999)
    Springer
    Neuroradiology 41 (1999), S. 487-492 
    Details
    ISSN: 1432-1920
    Keywords: Key words Intracranial dural arteriovenous fistulae ; Magnetic resonance angiography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract MRI and phase-contrast MR angiography (PC MRA) were obtained in 13 patients with angiographically confirmed intracranial dural arteriovenous fistulae (DAVF). Three- and two-dimensional PC MRA was obtained with low (6–20 cm/s) and high (〉 40 cm/s) velocity encoding along the three main body axes. MRI showed focal or diffuse signal abnormalities in the brain parenchyma in six patients, dilated cortical veins in seven, venous pouches in four with type IV DAVF and enlargement of the superior ophthalmic vein in three patients with DAVF of the cavernous sinus. However, it showed none of the fistula sites and did not allow reliable identification of feeding arteries. 3D PC MRA enabled identification of the fistula and enlarged feeding arteries in six cases each. Stenosis or occlusion of the dural sinuses was detected in six of eight cases on 3D PC MRA with low velocity encoding. In six patients with type II DAVF phase reconstruction of 2D PC MRA demonstrated flow reversal in the dural sinuses or superior ophthalmic vein.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050788
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    Paper (German National Licenses)
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