期刊
JOURNAL OF CLINICAL NEUROSCIENCE
卷 19, 期 10, 页码 1387-1391出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jocn.2012.01.028
关键词
Central nervous system; Childhood; Epidemiology; Paediatric brain tumours; WHO classification of tumours
Paediatric brain tumours are the most common solid tumour of childhood and the most common cancer cause of death among children. A retrospective review of 313 histopathologically proven brain tumours over an 11-year period has been performed at the Children's Hospital Westmead, New South Wales, Australia, to determine proportions and locations of different tumours, age distribution, survival rates and usage of various treatment modalities. Pilocytic astrocytoma was the most common paediatric brain tumour (29%) followed by medulloblastoma (12%) and ependymoma (6%). Most tumours were histologically benign (59%), and 42% of tumours were located in the posterior fossa. The average age at diagnosis was 7.9 years. About 50% of children were treated with surgery alone, whereas the other 50% had surgery or biopsy plus adjuvant treatment. The overall one-year survival rate was 89% and the five-year survival rate was 80%. The five-year survival rates for pilocytic astrocytoma was 91%; medulloblastoma, 75%; ependymoma, 82%; and high grade glioma, 15%. Thus, a large proportion of paediatric brain tumours were histologically benign and were treated with surgery alone, but a subset of benign tumours required adjuvant treatment and were associated with mortality (25%). The overall survival rates were high and are improving, although for some tumours, such as high grade glioma, the outlook remains poor. Crown Copyright (C) 2012 Published by Elsevier Ltd. All rights reserved.
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