The application of evoked potentials in the diagnosis and follow-up of children with intracranial tumors |
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Authors: | Rotteveel J. J. Colon E. J. Hombergen G. Stoelinga G. B. A. Lippens R. |
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Affiliation: | (1) Department of Pediatrics, St. Radboud Hospital, Catholic University, Geert Grooteplein Zuid 20, NL- 6500 HB Nijmegen, The Netherlands;(2) Department of Clinical Neurophysiology, St. Radboud Hospital, Catholic University, Geert Grooteplein Zuid 20, NL- 6500 HB Nijmegen, The Netherlands;(3) Department of Audiology, St. Radboud Hospital, Catholic University, Geert Grooteplein Zuid 20, NL- 6500 HB Nijmegen, The Netherlands |
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Abstract: | Somatosensory and brainstem auditory evoked potentials (SSEPs and BAEPs) provide sensitive measures of the central conduction functions of the auditory and somatosensory input systems at different levels of the central nervous system. The contribution of SSEPs and BAEPs in the primary diagnosis and follow-up of 26 children with infra- and supratentorial tumors were reviewed. The SSEPs, especially the specific complex, showed a latency increase in patients with supratentorial and brainstem mass lesions involving directly or distantly the somatosensory tracts. The BAEPs were sensitive for supratentorial pressure effects and for local and distant posterior fossa tumor effects. In the follow-up of children, evoked potentials offer a good method of detecting tumor recurrence, whereas neuroradiological procedures may be obscured by surgical or radiation artifacts.This paper has been presented in part at the Symposium of the European Federation of Child Neurology Societies, June 1983 |
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Keywords: | Brain stem auditory evoked potentials Somatosensory evoked potentials Intracranial tumors Childhood |
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