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  • Title: Hydrocephalus in primary intradural spinal cord tumors: a systematic review of the literature in the pediatric population.
    Author: Lampros M, Voulgaris S, Alexiou GA.
    Journal: Neurosurg Rev; 2021 Aug; 44(4):2079-2084. PubMed ID: 32918116.
    Abstract:
    Hydrocephalus in children with primary intradural spinal cord tumors is exceedingly rare. Herewith, we performed a systematic literature review to address epidemiology, suggested pathophysiological mechanisms, prognostic factors, and treatment of such cases. We performed a systematic review with the best available evidence on cases of pediatric primary intradural tumors of the spinal cord presented with hydrocephalus. The patients were subjected to quantitative analysis on a basis of epidemiological features (age, sex, tumor type and location, clinical presentation, survival, dissemination). The possible pathophysiological theories are discussed in detail. Forty-four studies with a total of 121 patients were included in the study. Astrocytomas were the most frequent tumor (64.5%) type, while most tumors were located in cervical (31.4%) or cervicothoracic region (25.6%). About half of the cases concerned children under 6 years of age. The block of subarachnoid CSF (cerebrospinal fluid) pathways from disseminated tumor cells and the neoplastic inflammation caused by tumor elements advocated to be the major pathogenetic mechanisms. Surgical excision of the tumor and hydrocephalus treatment is usually performed. Primary intradural spinal cord tumors should be considered in children with communicative hydrocephalus of unknown etiology. Onset of hydrocephalus after tumor removal is related to higher mortality.
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