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Arq. neuropsiquiatr ; 69(2b): 328-331, 2011. tab
Article in English | LILACS | ID: lil-588093

ABSTRACT

Medulloblastoma is the most common childhood malignant tumor of central nervous system, but it may also occur in adults. It presents high invasive growth with spreading of tumor cells into the leptomeningeal space along the neuroaxis early in the course of the disease. Extraneural metastases are rare but frequently lethal, occurring only in 1 to 5 percent of patients, and are related, in the most of cases, to the presence of ventriculoperitoneal shunt. Here we characterize the clinical profile of five cases of medulloblastoma with systemic spreading of tumor cells, also comparing them to cases already described in the literature.


O meduloblastoma é o tumor maligno mais frequente do sistema nervoso central na infância, mas também pode ocorrer em adultos. Ele apresenta crescimento altamente invasivo com disseminação de células tumorais ao longo do neuroeixo precocemente no curso da doença. Metástases extraneurais são raras mas frequentemente letais, ocorrendo apenas em 1 a 5 por cento dos pacientes, e estão relacionadas, na maioria dos casos, a presença de derivação ventriculperitoneal. Neste artigo ,apresentamos o perfil de cinco casos de meduloblastoma com disseminção sistêmica das células tumorais, comparando-os com os casos já descritos na literatura.


Subject(s)
Adult , Child , Child, Preschool , Female , Humans , Male , Cerebellar Neoplasms/pathology , Medulloblastoma/secondary , Abdominal Neoplasms/secondary , Bone Marrow Neoplasms/secondary , Follow-Up Studies , Lung Neoplasms/secondary , Pelvic Neoplasms/secondary
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