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Revista Ecuatoriana de Neurología
On-line version ISSN 2631-2581Print version ISSN 1019-8113
Abstract
JARA-LALAMA, Jaime et al. Clinical and epidemiological features of posterior fossa tumors in pediatric patients. Experience of a national reference center. Rev Ecuat Neurol [online]. 2017, vol.26, n.3, pp.243-250. ISSN 2631-2581.
Objective:
To perform a descriptive study of posterior fossa tumors from a sample of patients from a national reference center in Ecuador.
Materials and methods:
a descriptive, retrospective, cross-sectional study was performed. Socio-demographic and clinical-epidemiological variables were established for 24 patients under the age of 14, whose clinical records reported a diagnosis of posterior fossa tumor, and who were hospitalized in Baca Ortiz Pediatric Hospital between 2014 and 2016.
Results:
There was a 1:1 relationship between males and females, an age distribution of 20,8% of patients younger than 3 years, 33,3% between 3 and 6 years, and 45,8% of patients older than 6 years of age. The most frequent histopathological diagnosis was medulloblastoma with 45,8%, followed by ependymoma with 29,2%, and astrocytoma with 12,5%. 12,5% of patients did not have a biopsy performed. Intracranial hypertension was the most frequent clinical presentation syndrome with 87,5% followed by far less frequent symptoms in our sample.
Conclusions:
Scientific evidence about posterior fossa tumors is limited in Ecuador. This study states the need to perform similar and more complete studies of this frequent pediatric brain tumor.
Keywords : Posterior fossa; Brain tumor; Epidemiology; Clinical presentation.