Classification, incidence and survival analyses of children with CNS tumours diagnosed in Sweden 1984-2005

Aim: Primary tumours in the central nervous system (CNS) are the second most common malignancy in childhood after leukaemia. Sweden has a high incidence and a high‐survival rate in international comparative studies. This has raised the question about the type of tumours included in the Swedish Cancer registry. We therefore compared international data to the Swedish Childhood Cancer registry. Methods: Central nervous system tumours registered in the Swedish Childhood Cancer Registry were reclassified according to ICCC‐3. Incidence and survival analyses were performed in the study population. Results: There were 1479 children (