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  • 11
    Electronic Resource
    Electronic Resource
    Nonenhanced hepatic cavernous hemangioma with multiple calcifications: CT and pathologic correlation (1995)
    Springer
    Abdominal imaging 20 (1995), S. 459-461 
    Details
    ISSN: 1432-0509
    Keywords: Liver, neoplasm ; Cavernous hemangioma ; Computed tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report a case of hepatic cavernous hemangioma with uncommon CT findings of multiple spotty calcifications arranged like a wreath in the marginal areas and no contrast enhancement.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01213272
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  • 12
    Electronic Resource
    Electronic Resource
    Castleman disease with renal amyloidosis: imaging findings and clinical significance (1995)
    Springer
    Abdominal imaging 20 (1995), S. 376-378 
    Details
    ISSN: 1432-0509
    Keywords: Amyloidosis ; Hamartoma ; Kidney ; Computed tomography ; Ultrasound
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We report two cases of renal amyloidosis associated with mesenteric and mediastinal Castleman disease of plasma cell type. Computed tomographic (CT) scan revealed a mesenteric mass with multiple nodal enlargement in one patient and a right paratracheal mass with irregular central calcifications in the second patient. Renal ultrasonography (US) showed increased echogenicity of the renal parenchyma with prominent medullas. Doppler waveform obtained in the kidney associated with mesenteric disease showed complete absence of diastolic flow signal, although it was normal in the patient with mediastinal disease. Recognition of Castleman disease as the cause of renal amyloidosis and the understanding of CT and US findings of this entity are important for the management, as well as its diagnosis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00203376
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    Paper (German National Licenses)
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  • 13
    Electronic Resource
    Electronic Resource
    Lumbar herniation of the spleen (1995)
    Springer
    Abdominal imaging 20 (1995), S. 446-448 
    Details
    ISSN: 1432-0509
    Keywords: Hernia, lumbar ; Spleen ; Computed tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Hernias of the lumbar region are rare but have been reported to occur after trauma, flank surgery, iliac bone grafting, spontaneously, or as a result of congenital abnormality of musculoskeletal development. The acquired type is more common than the congenital type. The contents of the hernia most commonly are retroperitoneal fat, kidney, and bowel. We report a case of an asymptomatic postincisional lumbar herniation of a spleen that was diagnosed by computed tomography.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01213268
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    Paper (German National Licenses)
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  • 14
    Electronic Resource
    Electronic Resource
    Nonpalpable rectus sheath hematoma clinically masquerading as appendicitis: US and CT diagnosis (1995)
    Springer
    Abdominal imaging 20 (1995), S. 152-154 
    Details
    ISSN: 1432-0509
    Keywords: Appendicitis ; Computed tomography ; Hemorrhage ; Muscles, abdominal wall ; Ultrasonography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Within a period of 5 years, we encountered three patients with a small rectus sheath hematoma, presenting with clinical signs of appendicitis. The rectus sheath hematoma was diagnosed by ultrasound (US) in all three cases and confirmed by computed tomography (CT) in two. None of the hematomas was palpable and in two of three cases in which the patient did not receive anticoagulant therapy. In patients who are sonographically examined for suspected appendicitis, the abdominal wall should be studied as well, to exclude a non-palpable rectus sheath hematoma. In cases in which a hematoma is found, an unnecessary appendectomy can be prevented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00201526
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  • 15
    Electronic Resource
    Electronic Resource
    Ependymomas of the posterior cranial fossa: CT and MRI findings (1995)
    Springer
    Neuroradiology 37 (1995), S. 238-243 
    Details
    ISSN: 1432-1920
    Keywords: Ependymoma ; Posterior cranial fossa ; Children ; Magnetic resonance imaging ; Computed tomography ; Brain tumours
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We studied nine children with posterior cranial fossa ependymomas to identify specific neuroradiological features. Patients were studied preoperatively with CT and MRI; T1-, T2-and proton-density (PD)-weighted images were obtained. All children underwent surgery and a definite histopathological diagnosis was made. All the tumours grew into the fourth ventricle and caused dilatation of its upper part, which resembled a cap. All but one were separated from the vermis by a cleavage plane. In eight cases there was desmoplastic development through the foramina of the fourth ventricle, and five were heterogeneous due to necrosis and cystic change; one had a haemorrhagic area. In most cases the solid portion was isointense with grey matter on T1-weighted images, hyperintense on PD weighting, and isointense on T2-weighted images. On CT the tumour was isodense in six cases and calcification was detected in four. The presence of both desmoplastic development and a tumour/vermis cleavage plane in a posterior cranial fossa tumour isodense on CT is highly suggestive of ependymoma.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01578265
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  • 16
    Electronic Resource
    Electronic Resource
    MRI of active otosclerosis (1997)
    Springer
    Neuroradiology 39 (1997), S. 453-457 
    Details
    ISSN: 1432-1920
    Keywords: Key words Otosclerosis ; otospongiosis ; Computed tomography ; Magnetic resonance imaging ; Tympanocochlear scintigraphy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Our aim was to determine whether MRI reliably shows pathology in patients with active otosclerosis (otospongiosis). We studied five patients with clinical and audiometric signs of this disorder and positive findings on high-resolution CT and tympanocochlear scintigraphy. Contrast enhancement of otospongiotic lesions was found in all affected ears, and could be topographically related to demineralised otospongiotic foci on CT. In lesions in the lateral wall of the labyrinth MRI sometimes showed the pathology better than CT, where partial-volume effects could be troublesome.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050445
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  • 17
    Electronic Resource
    Electronic Resource
    Medulloblastoma in children: CT and MRI findings (1996)
    Springer
    Neuroradiology 38 (1996), S. 352-359 
    Details
    ISSN: 1432-1920
    Keywords: Key words Medulloblastoma ; Childhood brain tumours ; Magnetic resonance imaging ; Computed tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Our purpose was to determine whether medulloblastoma (MB) shows specific neuroradiological features which may be employed in differential diagnosis from other common posterior cranial fossa tumours in childhood. Preoperative MRI was performed on 20 children with MB, and preoperative CT in 17 of them. All underwent surgery and histopathological diagnosis. There was a constant relationship between high density on CT and low signal on T1-weighted images. Signal behaviour on T2-weighted images and the degree of contrast enhancement were more variable. Most tumours arose in the midline, from the cerebellar vermis, involving the fourth ventricle, but hemisphere and extra-axial neoplasms were also seen. The combination of high density on CT and low signal on T1-weighted images is highly suggestive of MB and may assist preoperative differential diagnosis from other posterior cranial fossa tumours.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00596587
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  • 18
    Electronic Resource
    Electronic Resource
    Medulloblastoma in children: CT and MRI findings (1996)
    Springer
    Neuroradiology 38 (1996), S. 352-359 
    Details
    ISSN: 1432-1920
    Keywords: Medulloblastoma ; Childhood brain tumours ; Magnetic resonance imaging ; Computed tomography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Our purpose was to determine whether medulloblastoma (MB) shows specific neuroradiological features which may be employed in differential diagnosis from other common posterior cranial fossa tumours in childhood. Preoperative MRI was performed on 20 children with MB, and preoperative CT in 17 of them. All underwent surgery and histopathological diagnosis. There was a constant relationship between high density on CT and low signal on T1-weighted images. Signal behaviour on T2-weighted images and the degree of contrast enhancement were more variable. Most tumours arose in the midline, from the cerebellar vermis, involving the fourth ventricle, but hemisphere and extra-axial neoplasms were also seen. The combination of high density on CT and low signal on T1-weighted images is highly suggestive of MB and may assist preoperative differential diagnosis from other posterior cranial fossa tumours.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00596587
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    Paper (German National Licenses)
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  • 19
    Electronic Resource
    Electronic Resource
    Cerebral bleeding, infarcts, and persumed extrapontine myelinolysis in hypernatraemic dehydration (1999)
    Springer
    Neuroradiology 41 (1999), S. 144-146 
    Details
    ISSN: 1432-1920
    Keywords: Key words Hypernatraemia ; Myelinolysis ; extrapontine ; Computed tomography ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The neuroimaging findings in an infant with hypernatremic dehydration are presented. Brain parenchymal haemorrhage and extensive multiple infarcts were present in the acute stage. Follow-up CT showed bilateral, symmetrical changes presumed to indicate extrapontine myelinolysis in the thalamus and globus pallidus. MRI confirmed sparing of the pons. Only three previous cases of neuroimaging abnormalities due to hypernatraemia have been described in the radiological literature.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050721
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    Paper (German National Licenses)
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  • 20
    Electronic Resource
    Electronic Resource
    CT of the temporal bone in the CHARGE association (1998)
    Springer
    Neuroradiology 40 (1998), S. 462-465 
    Details
    ISSN: 1432-1920
    Keywords: Key words Temporal bone ; abnormalities ; CHARGE association ; Computed tomography ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We reviewed the CT examinations of the temporal bone, performed with 1-mm-thick contiguous sections, of seven patients with the CHARGE association. We found abnormalities of the incus and stapes, with ossicular chain fixation, absence of the stapedius muscle and oval window, hypoplasia or dysplasia of the vestibule and absence of the semicircular canals in all ears. The pyramidal eminence and tympanic sinus were absent and there were anomalies of the cochlea in 13 of 14 ears. Absence of the semicircular canals is the most specific change in patients with the CHARGE association.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002340050625
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