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  • Title: [Scintigraphic and EEG diagnosis of posterior cranial fossa tumors in children].
    Author: Jastrzebska B, Wocjan H, Kryst-Widźgowska T.
    Journal: Neurol Neurochir Pol; 1979; 13(5):503-9. PubMed ID: 316502.
    Abstract:
    The purpose of this work was to assess the diagnostic value of scintigraphy and EEG in posterior fossa tumours. The analysis covered 22 children aged from 10 months to 13 years treated surgically in the period from 1975 through 1978 for expanding intracranial lesions of this location. Before the operation in all cases positive ventriculography, brain scintigraphy and EEG were done. In 21 cases ventriculograms were abnormal and scintigrams demonstrated in all these cases presence of pathological foci in the posterior fossa. This method helped in accurate localization of 11 out of 12 tumours of cerebellar hemispheres and 9 of 10 posterior fossa tumours situated near the midline. EEG investigation demonstrated in 7 cases of cerebellar hemisphere tumours presence of asymmetric slow bioelectric activity in the posterior part of the brain on the side corresponding to the tumour. In EEG investigations in cases of midline posterior fossa tumours in most children symmetrical bursts of slow rhythms prevailed in posterior leads showing the characteristics of the so called á distance rhythms.
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