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  • 1
    ISSN: 1432-1076
    Keywords: Computed tomography ; Tuberous sclerosis ; Osteopetrosis ; Tuberculoma ; Calcifications
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The CT findings in 36 cases of childhood intracranial calcification were analysed. Tuberous sclerosis was the commonest disease, predisposing to calcifications that were essentially nodular in type and bilaterally periventricular in distribution. Calcifications were also noted in other common diseases such as tuberculoma and osteopetrosis, and after meningitis. There were three cases of osteopetrosis with intracranial calcifications: one had calcifications in the peritentorial region and two in the junction regions between the grey and white matters with basal ganglia. These observations were previously unreported. The presence of basal ganglia calcification in Down syndrome is also reported. Most calcifications were not visualized on plain radiographs. Our study shows that if the CT attenuation values are less than 200 Hounsfield units (HU), the calcifications are not visualized on the plain radiographs.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1432-1076
    Keywords: Neonate ; Hepatic haemangioendothelioma ; Cutaneous haemangioma ; Jaundice ; Microangiopathic haemolytic anaemia
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A neonate with multicentric hepatic haemangioendothelioma complicated by jaundice and microangiopathic haemolytic anaemia is presented. To our knowledge such a constellation has not been previously reported.
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  • 3
    ISSN: 1432-1076
    Keywords: Ultrasound ; Chronic liver diseases ; Children
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Forty-one children with liver disease were studied by ultrasound scan at King Khalid University Hospital, Riyadh, Saudi Arabia. Diagnoses were confirmed either by liver biopsy or specific laboratory tests. Sonograms were studied for liver size, beam penetration, echogenecity, vascularity, and biliary tree abnormalities. Different liver diseases, such as chronic hepatitis, biliary cirrhosis, Wilson’s disease, familial idiopathic cirrhosis, type III glycogen storage disease, and secondary haemochromatosis revealed non-specific disease patterns. Four cases of biliary cirrhosis and two cases of glycogen storage disease showed periportal fibrosis. Two cases of familial idiopathic cirrhosis and a case of Wilson’s disease revealed thickening of the gall bladder wall, which has not been described in the literature.
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  • 4
    ISSN: 1432-1076
    Keywords: Osteopetrosis ; Congenital intracranial and periventricular calcifications ; Sonography ; Computed tomography ; Brain
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A case of osteopetrosis presenting with rare features of dysmorphism with proptosis due to hypoplasia of the orbits and the temporal bone is described. The case also had calcifications in the periventricular regions, the falx cerebri and the corpora colliculi. These features and sonographic findings of osteopetrosis have not been reported previously. The sensitivity and specificity of imaging modalities in the diagnosis of intracranial calcifications is discussed.
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  • 5
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: This article describes hardware and software solutions to a need which is comprised of (i) acquisition of a large volume of high speed data with multiple time scales, (ii) control of various operational parameters of device and diagnostics, and (iii) processing and management of the acquired data for a large volume plasma device. The solution relies on the base of a VXI bus and uses a standard PC with a Windows 98/NT operating system and C as the programming language. The system is networked with the existing network with the result of allowing a large data storage space of processing facilities from any terminal in the laboratory.© 2002 American Institute of Physics.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 40 (1975), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    New York, NY [u.a.] : Wiley-Blackwell
    Clinical Anatomy 4 (1991), S. 192-199 
    ISSN: 0897-3806
    Keywords: stenosis ; plain lateral radiographs ; lumbar levels 1-5 ; Life and Medical Sciences ; Miscellaneous Medical
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Medicine
    Notes: The lumbar spinal canal may become narrowed as a result of a congenital defect (developmental stenosis) or following other changes associated with the vertebral column or its related structures (acquired stenosis). Stenosis of the canal may predispose the roots of the cauda equina to pressure or entrapment and consequently cause low back pain. Evidence suggests that the sagittal diameter is probably more frequently involved in stenotic lesions. Measurement of diameters from plain radiographs have been shown to yield valuable diagnostic information. In view of the diversity of shape and sizes in the human lumbar spinal canal, norms are needed for individual populations.In the present study, plain lateral radiographs of 150 male and 150 female adult Saudi subjects were measured. The mean sagittal diameters and standard deviations of lumbar levels L1 to L5 are reported for the first time within this population. A reliable method of delimiting the posterior boundary of the canal has also been described. The pattern of segmental variation of the diameters of the lumbar canal in normal adult Saudis was found to be similar to that in other populations, but the mean diameters were different. Norms of the canal: body ratio were also established for use in rapid evaluation of patients.
    Additional Material: 3 Ill.
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Pediatric radiology 20 (1989), S. 23-27 
    ISSN: 1432-1998
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The CT findings in 120 cerebral palsied children are analysed. The 72.5% positive findings are correlated with the clinical types, as well as the aetiological basis for the cerebral palsy. The spastic type, 83.3% of the total number of children, had the highest positive findings. The yield was increased in children with seizures (91.3%) and those in the postnatal group (90%), as well as those with birth trauma and neonatal asphyxia (94%). The findings were those of atrophy in 30.8%, hydrocephalus, in 10%, infarct in 11.6%, porencephaly in 8.3% and others. The atropic changes and their patterns are explained. Treatable lesions, such as tumour, hydrocephalus, subdural haematoma, porencephaly and hygroma were identified in 22.5% of cases. It is concluded that CT scan is definitely efficacious in the management of cerebral palsied children.
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  • 9
    ISSN: 1432-1998
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Computerized tomographic scanning of the brain was performed in 26 infants with Infantile spasms. Majority of the patients, 18 (69%) had some abnormality. Changes noted were cerebral atrophy in 12, calcifications in 5 and dysgenesis of the corpus callosum in 3 patients. One infant each had porencephaly, hydrocephalus and cavum septum pellucidum. Five patients had more than one abnormality simultaneously. Three infants had progressively worsening atrophy on ACTH therapy. Patients with infantile spasms, without any physical or neurological abnormality, are unlikely to have any abnormalities on brain CT scanning (p=〈0.005).
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  • 10
    ISSN: 1432-1998
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract A case of adrenoleukodystrophy (ALD) with CT and MRI findings is described. The CT scand showed low densities in the white matter of the parietal and occipital lobes. No calcifications were seen. Post-contrast CT showed an abnormal enhancement within the involved white matter. MRI showed changes of demyelination around the atria of the lateral ventricles bilaterally involving the posterior aspect of the cerebrum symmetrically. The posterior part of the posterior corpus callosum, splenium and pyramidal tracts also showed increased signal intensity. From a review of the literature, these findings are typical of the radiological changes seen in ALD. ALD can be diagnosed from typical history and biochemical changes as well as from CT and MRI findings.
    Type of Medium: Electronic Resource
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