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  • 1
    ISSN: 1432-1920
    Keywords: Key words Epidermoid tumour ; Diffusion-weighted imaging ; Magnetic resonance imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Cerebellopontine angle epidermoid tumour generally has a typical appearance with conventional MRI sequences. The lesion is irregular in shape and gives slightly higher signal than cerebrospinal fluid on T1- and T2-weighted images, with a characteristic marbled inner pattern on T1-weighted images. Diffusion-weighted imaging (DWI) can be useful for the diagnosis of an atypical epidermoid tumour. Our case report illustrates the usefulness of DWI for postoperative assessment of residual foci of tumour. The specific appearance of an epidermoid tumour is illustrated, with emphasis on apparent diffusion coefficient (ADC) measurements.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1433-0350
    Keywords: Intracranial pressure ; Non-invasive monitoring ; Macrocephaly ; Hydrocephalus
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We studied non-invasive intracranial pressure monitoring in 20 asymptomatic infants with increased head growth rate. Both basal anterior fontanelle pressure (AFP) traces and occurrence of pressure waves were analysed and compared with normal range values previously established. Eight recordings were classified as pathological; cerebral imaging showed subdural collections or ventricular dilatation in all cases. Five out of these eight infants further developed neurological deficits and/or increase of the ventricular size, and required neurosurgical procedures. Twelve infants had normal AFP traces; six of these had normal cerebral imaging and six showed enlargement of subarachnoid spaces with normal ventricles. All of these 12 patients normalised their head growth rate and remained asymptomatic. This observation suggests that AFP monitoring may be helpful in asymptomatic infants with increased head growth rate to identify a progressive intracranial process and the potential need for a neurosurgical procedure.
    Type of Medium: Electronic Resource
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