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The histology of brain tumors for 67 331 children and 671 085 adults diagnosed in 60 countries during 2000- 2014: a global, population-based study (CONCORD-3)

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dc.contributor.authorGirardi, Fabio
dc.contributor.authorRous, Brian
dc.contributor.authorStiller, Charles A.
dc.contributor.authorGatta, Gemma
dc.contributor.authorFersht Naomi
dc.contributor.authorStorm, Hans H.
dc.contributor.authorRodrigues, Jessica R.
dc.contributor.authorHerrmann, Christian
dc.contributor.authorMarcos-Gragera, Rafael
dc.contributor.authorPeris-Bonet, Rafael
dc.contributor.authorValkov, Mikhail
dc.contributor.authorWeir, Hannah K.
dc.contributor.authorWoods, Ryan R.
dc.contributor.authorYou, Hui
dc.contributor.authorCueva, Patricia A.
dc.contributor.authorDe, Prithwish
dc.contributor.authorDi Carlo, Veronica
dc.contributor.authorBørge Johannesen, Tom
dc.contributor.authorLima, Carlos A.
dc.contributor.authorLynch, Charles F.
dc.contributor.authorColeman, Michel P.
dc.contributor.authorAllemani, Claudia
dc.contributor.authorCONCORD Working Group
dc.date.accessioned2023-06-06T19:10:41Z
dc.date.available2023-06-06T19:10:41Z
dc.date.issued2021
dc.description.abstractBackground. Global variations in survival for brain tumors are very wide when all histological types are con sidered together. Appraisal of international differences should be informed by the distribution of histology, but little is known beyond Europe and North America. Methods. The source for the analysis was the CONCORD database, a program of global surveillance of cancer sur vival trends, which includes the tumor records of individual patients from more than 300 population-based cancer registries. We considered all patients aged 0-99 years who were diagnosed with a primary brain tumor during 2000-2014, whether malignant or nonmalignant. We presented the histology distribution of these tumors, for pa tients diagnosed during 2000-2004, 2005-2009, and 2010-2014. Results. Records were submitted from 60 countries on 5 continents, 67 331 for children and 671 085 for adults. After exclusion of irrelevant morphology codes, the final study population comprised 60 783 children and 602 112 adults. Only 59 of 60 countries covered in CONCORD-3 were included because none of the Mexican records were eligible. We defined 12 histology groups for children, and 11 for adults. In children (0-14 years), the proportion of low-grade astrocytomas ranged between 6% and 50%. Medulloblastoma was the most common subtype in coun tries where low-grade astrocytoma was less commonly reported. In adults (15-99 years), the proportion of glio blastomas varied between 9% and 69%. International comparisons were made difficult by wide differences in thproportion of tumors with unspecified histology, which accounted for up to 52% of diagnoses in children and up to 65% in adults. Conclusions. To our knowledge, this is the first account of the global histology distribution of brain tumors, in children and adults. Our findings provide insights into the practices and the quality of cancer registration worldwide.
dc.identifier.citationGirardi F, Rous B, Stiller CA, Gatta G, Fersht N, Storm HH, Rodrigues JR, Herrmann C, Marcos-Gragera R, Peris-Bonet R, Valkov M, Weir HK, Woods RR, You H, Cueva PA, De P, Di Carlo V, Johannesen TB, Lima CA, Lynch CF, Coleman MP, Allemani C; CONCORD Working Group. The histology of brain tumors for 67 331 children and 671 085 adults diagnosed in 60 countries during 2000-2014: a global, population-based study (CONCORD-3). Neuro Oncol. 2021 Oct 1;23(10):1765-1776. doi: 10.1093/neuonc/noab067. PMID: 33738488; PMCID: PMC8485444.
dc.identifier.urihttp://biblioteca.solcaquito.org.ec:9997/handle/123456789/250
dc.language.isoen
dc.publisherNeuro-Oncology
dc.titleThe histology of brain tumors for 67 331 children and 671 085 adults diagnosed in 60 countries during 2000- 2014: a global, population-based study (CONCORD-3)
dc.typeArticle
dspace.entity.typePublication
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