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  • 1
    Electronic Resource
    Electronic Resource
    Evaluation of Blalock-Taussig shunts in newborns: value of oblique MRI planes (1991)
    Springer
    The international journal of cardiovascular imaging 7 (1991), S. 1-5 
    Details
    ISSN: 1573-0743
    Keywords: newborns ; MRI ; congenital heart disease ; systemic shunts ; oblique views
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Eight infants with systemic-pulmonary Blalock-Taussig shunts were evaluated by spin-echo ECG-gated MRI. Contrary to Echocardiography, MRI using coronal oblique projections successfully visualized all palliative shunts entirely in one single plane (including one carried out on a right aberrant subclavian artery). MRI allowed assessment of size, course and patency of the shunt, including pulmonary and subclavian insertion. The proximal portion of the pulmonary and subclavian arteries were also visualized. We conclude that MRI with axial scans completed by coronal oblique planes is a promising, non invasive method for imaging the anatomical features of Blalock-Taussig shunts.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01797675
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Primary hepatic pheochromocytoma (1996)
    Springer
    European radiology 6 (1996), S. 82-85 
    Details
    ISSN: 1432-1084
    Keywords: Extra-adrenal pheochromocytoma ; Liver tumor ; CT ; MRI
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Pheochromocytomas are uncommon tumors that represent a potentially curable cause of hypertension. They are usually located in the adrenal glands, but 10% arise from extra-adrenal sites, located along the paravertebral sympathetic chains. We report a case of primary hepatic pheochromocytoma responsible for a severe hypertension in a 24-year-old man. Echotomography showed a lightly heterogeneous mass located in the segment 8 of the liver. Iodine 131 — metaiodobenzylguanidine scintigraphy showed a large hepatic concentration of the tracer and no other localization. This tumor appeared highly vascularized on enhanced CT scan and on aortic angiography. Magnetic resonance imaging revealed a hepatic tumor with a high signal intensity on T2-weighted images and with a signal isointense to the liver on T1-weighted images. The hepatic venous sampling contained the highest catecholamine level, whereas the adrenal venous sampling was normal. After surgical resection of the hepatic tumor, the tension level and catecholamines plasmatic level normalized. No recurrent symptoms appeared during a 3-year follow-up.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00619965
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Percutaneous puncture of spinal cysts in the diagnosis and therapy of syringomyelia and cystic tumors (1982)
    Springer
    Neuroradiology 24 (1982), S. 59-63 
    Details
    ISSN: 1432-1920
    Keywords: Spinal cord ; Neoplasms ; Myelography ; Metrizamide ; Syringomyelia ; Cysts ; Computed tomography ; Chiari malformation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary The experience with percutaneous puncture of intraspinal cystic lesions is reported in four cases: an extradural cyst demonstrated with air, a spinal cord tumor with lipiodol and two cases of syringomyelia with metrizamide. Percutaneous puncture of cystic lesions makes possible an accurate delineation of the lesion and a histological approach through biochemical and cytological analysis of the aspirated cystic fluid, while aspiration of the fluid of cystic tumors decompresses the spinal cord and thus plays a therapeutic role.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00344586
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    MR findings in mannosidosis (1990)
    Springer
    Neuroradiology 32 (1990), S. 485-487 
    Details
    ISSN: 1432-1920
    Keywords: MRI ; Brain ; Sella turcica ; Mucolipidoses ; Mannosidosis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary MR findings are reported in three patients presenting mannosidosis. Among a family of 8 children, 4 presented typical clinical and biological abnormalities related to mannosidosis. Brain MR examinations including sagittal T1 and axial T2 sections were obtained in three patients of this family (one 25-year-old male, one 34-year-old female, and one 35-year-old female). MR scans demonstrate seven types of modifications: (1) brachycephaly, (2) thick calvaria, (3) verticalization of the chiasmatic sulcus, (4) poor pneumatization of the sphenoid body, (5) partial empty sella turcica (6) cerebellar atrophy, and (7) white matter signal modifications. High signal abnormalities involving the parieto-occipital white matter are identified on axial T2-weighted scans in the three patients and are probably related to demyelination and associated gliosis as described previously by several authors on specimens.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02426460
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    Thoracic intradural arachnoid cyst: possible pitfalls with myelo-CT and MR (1991)
    Springer
    Neuroradiology 33 (1991), S. 90-91 
    Details
    ISSN: 1432-1920
    Keywords: Spinal cord ; Intradural arachnoid cyst ; MR ; Myelography ; CT
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary A thoracic intradural arachnoid cyst presenting as an intradural extramedullary mass highly suggestive of psammoma on myelogram and myelo-CT is reported in a 34-year-old female. High densities of the cyst were related to collection of contrast media within the cyst. However MR examination of the thoracic spinal cord including sagittal T1 (without and with contrast) and T2 studies failed to demonstrate the mass. Lack of MR changes were related on one hand to the small size of the cyst and to the absence of mass effect on the spinal cord, and on the other hand to a CSF-like signal of the contents of the cyst. Only combination of myelography, myelo-CT and MR allows precise diagnosis of small intradural arachnoid cysts; however MR is the method of choice for evaluation of large intradural subarachnoid cysts.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00593348
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    MRI in multiple sclerosis of the spinal cord: evaluation of fast short-tan inversion-recovery and spin-echo sequences (2000)
    Springer
    Neuroradiology 42 (2000), S. 810-813 
    Details
    ISSN: 1432-1920
    Keywords: Key words Multiple sclerosis ; Spinal cord ; Magnetic resonance imaging ; Pulse sequences
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We compared the sensitivity of T2-weighted spin-echo (FSE) and fast short-tau inversion-recovery (fSTIR) sequences in detection of multiple sclerosis of the spinal cord in 100 consecutive patients with clinically confirmed multiple sclerosis (MS); 86 patients underwent also brain MRI. In all, 310 focal lesions were detected on fSTIR and 212 on T2-weighted FSE, spinal cord lesions were seen better on fSTIR images, with a higher contrast between the lesion and the normal spinal cord. In 24 patients in whom cord plaques were shown with both sequences, the cranial study was normal or inconclusive. Assessment of spinal plaques can be particularly important when MRI of the brain is inconclusive, and in there situations fSTIR can be helpful.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340000429
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  • 7
    Electronic Resource
    Electronic Resource
    Imaging of thoracic and lumbar spinal extradural arachnoid cysts: report of two cases (1997)
    Springer
    Neuroradiology 39 (1997), S. 203-206 
    Details
    ISSN: 1432-1920
    Keywords: Key words Spine ; Spinal cord ; compression ; Arachnoid cyst ; extradural ; Myelography ; Computed tomography ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Extradural arachnoid cysts are uncommon expanding lesions in the spinal canal which may communicate with the subarachnoid space. Usually in the lower thoracic spine, they may cause symptoms by compressing the spinal cord or nerve roots. We report cases of thoracic and lumbar arachnoid cysts studied by cystography, myelography, CT and MRI. These techniques showed extradural cystic lesions containing cerebrospinal fluid, with variable communication with the subarachnoid space, causing anterior displacement and flattening of the spinal cord.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050394
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    Paper (German National Licenses)
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