Leptomeningeal dissemination of pilocytic astrocytoma at diagnosis in childhood: two cases report
Arq. neuropsiquiatr
; 61(3B): 842-847, Sept. 2003. ilus, tab
Artigo
em Inglês
| LILACS
| ID: lil-348680
Biblioteca responsável:
BR1.1
RESUMO
Pilocytic astrocytoma (PA) is a benign tumor that rarely spread along the neuraxis. At the moment there are no more than five cases of leptomeningeal dissemination (LD) from PA at diagnosis described in the literature. Different patterns of presentation or recurrence may be noted local recurrence, malignant transformation, multicentric disease or metastatic disease. LD and multicentric disease can be distinct pathological entities. We report two cases and analyse literature, emphasizing leptomeningeal spread at presentation. Hydrocephalus, biopsy and parcial ressection are likely to be favorable factors to the occurrence of LD. Otherwise, LD may be part of natural history of PA, as evidenced by its ocurrence in non-treated cases
Texto completo:
Disponível
Coleções:
Bases de dados internacionais
Base de dados:
LILACS
Assunto principal:
Astrocitoma
/
Neoplasias Cerebelares
/
Neoplasias Meníngeas
Tipo de estudo:
Estudo diagnóstico
Limite:
Criança
/
Feminino
/
Humanos
Idioma:
Inglês
Revista:
Arq. neuropsiquiatr
Assunto da revista:
Neurologia
/
Psiquiatria
Ano de publicação:
2003
Tipo de documento:
Artigo
País de afiliação:
Brasil
Instituição/País de afiliação:
Säo Paulo University/BR