Childhood cancer registries in Ontario, Canada: Lessons learned from a comparison of two registries
Identifieur interne : 001804 ( Main/Exploration ); précédent : 001803; suivant : 001805Childhood cancer registries in Ontario, Canada: Lessons learned from a comparison of two registries
Auteurs : Mark L. Greenberg [Canada] ; Ronald D. Barr [Canada] ; Bruna Dimonte [Canada] ; Eva Mclaughlin [Canada] ; Corin Greenberg [Canada]Source :
- International journal of cancer [ 0020-7136 ] ; 2003.
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- Pascal (Inist)
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English descriptors
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Abstract
Two childhood cancer registries exist in Ontario. One (POGO) accrues by active registration by pediatric cancer centers, utilizing a histologically based classification system. The other accrues by passive linkage within a larger adult oriented cancer registry (OCR) using a topographically based classification. A reportedly high incidence of childhood cancer based on the latter registry prompted a comparison of the content of the two registries over a 2-year period with the hypothesis that there would be systematic accrual errors. All registrations in both registries for the specified period were reviewed systematically and validated by pathology reports. A small number (2.6%) of registrations in the passive registry were not incident cases, while 2 particular pathologic diagnoses were included in the histologically based registry and not the topographically based registry. These were low grade gliomas and Langerhans cell histiocytosis (LCH). The validated annual incident rate (15.6 per 100,000 children 0-14 years of age, excluding LCH) is slightly higher than that reported in other industrialized countries. Ninety-six percent of children aged 0-14 were treated in pediatric oncology centers, while only 46% of adolescents aged 15-17 were treated in such centers. Of the remaining adolescents, more than one-third had lymphomas. This maldistribution of care provided for the young adolescent population may compromise their survival prospects. The results of this study should prompt revision of health care policy and patterns of service delivery.
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Greenberg</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Hospital for Sick Children, University of Toronto</s1><s2>Toronto</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Canada</country><placeName><settlement type="city">Toronto</settlement><region type="state">Ontario</region></placeName><orgName type="university">Université de Toronto</orgName></affiliation><affiliation wicri:level="1"><inist:fA14 i1="02"><s1>Pediatric Oncology Group of Ontario</s1><s2>Ontario</s2><s3>CAN</s3><sZ>1 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>Pediatric Oncology Group of Ontario</wicri:noRegion></affiliation></author><author><name sortKey="Barr, Ronald D" sort="Barr, Ronald D" uniqKey="Barr R" first="Ronald D." last="Barr">Ronald D. Barr</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Hospital for Sick Children, University of Toronto</s1><s2>Toronto</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Canada</country><placeName><settlement type="city">Toronto</settlement><region type="state">Ontario</region></placeName><orgName type="university">Université de Toronto</orgName></affiliation><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>McMaster University Medical Center</s1><s2>Hamilton, Ontario</s2><s3>CAN</s3><sZ>2 aut.</sZ></inist:fA14><country>Canada</country><wicri:noRegion>McMaster University Medical Center</wicri:noRegion></affiliation></author><author><name sortKey="Dimonte, Bruna" sort="Dimonte, Bruna" uniqKey="Dimonte B" first="Bruna" last="Dimonte">Bruna Dimonte</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Hospital for Sick Children, University of Toronto</s1><s2>Toronto</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Canada</country><placeName><settlement type="city">Toronto</settlement><region type="state">Ontario</region></placeName><orgName type="university">Université de Toronto</orgName></affiliation></author><author><name sortKey="Mclaughlin, Eva" sort="Mclaughlin, Eva" uniqKey="Mclaughlin E" first="Eva" last="Mclaughlin">Eva Mclaughlin</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Hospital for Sick Children, University of Toronto</s1><s2>Toronto</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Canada</country><placeName><settlement type="city">Toronto</settlement><region type="state">Ontario</region></placeName><orgName type="university">Université de Toronto</orgName></affiliation></author><author><name sortKey="Greenberg, Corin" sort="Greenberg, Corin" uniqKey="Greenberg C" first="Corin" last="Greenberg">Corin Greenberg</name><affiliation wicri:level="4"><inist:fA14 i1="01"><s1>Hospital for Sick Children, University of Toronto</s1><s2>Toronto</s2><s3>CAN</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ></inist:fA14><country>Canada</country><placeName><settlement type="city">Toronto</settlement><region type="state">Ontario</region></placeName><orgName type="university">Université de Toronto</orgName></affiliation></author></analytic><series><title level="j" type="main">International journal of cancer</title><title level="j" type="abbreviated">Int. j. cancer</title><idno type="ISSN">0020-7136</idno><imprint><date when="2003">2003</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">International journal of cancer</title><title level="j" type="abbreviated">Int. j. cancer</title><idno type="ISSN">0020-7136</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adolescent</term><term>Canada</term><term>Child</term><term>Comparative study</term><term>Data</term><term>Epidemiology</term><term>Incidence</term><term>Lymphoma</term><term>Malignant tumor</term><term>Quality</term><term>Register</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Tumeur maligne</term><term>Etude comparative</term><term>Lymphome</term><term>Registre</term><term>Incidence</term><term>Epidémiologie</term><term>Donnée</term><term>Qualité</term><term>Canada</term><term>Enfant</term><term>Adolescent</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Canada</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Enfant</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Two childhood cancer registries exist in Ontario. One (POGO) accrues by active registration by pediatric cancer centers, utilizing a histologically based classification system. The other accrues by passive linkage within a larger adult oriented cancer registry (OCR) using a topographically based classification. A reportedly high incidence of childhood cancer based on the latter registry prompted a comparison of the content of the two registries over a 2-year period with the hypothesis that there would be systematic accrual errors. All registrations in both registries for the specified period were reviewed systematically and validated by pathology reports. A small number (2.6%) of registrations in the passive registry were not incident cases, while 2 particular pathologic diagnoses were included in the histologically based registry and not the topographically based registry. These were low grade gliomas and Langerhans cell histiocytosis (LCH). The validated annual incident rate (15.6 per 100,000 children 0-14 years of age, excluding LCH) is slightly higher than that reported in other industrialized countries. Ninety-six percent of children aged 0-14 were treated in pediatric oncology centers, while only 46% of adolescents aged 15-17 were treated in such centers. Of the remaining adolescents, more than one-third had lymphomas. This maldistribution of care provided for the young adolescent population may compromise their survival prospects. The results of this study should prompt revision of health care policy and patterns of service delivery.</div></front></TEI><affiliations><list><country><li>Canada</li></country><region><li>Ontario</li></region><settlement><li>Toronto</li></settlement><orgName><li>Université de Toronto</li></orgName></list><tree><country name="Canada"><region name="Ontario"><name sortKey="Greenberg, Mark L" sort="Greenberg, Mark L" uniqKey="Greenberg M" first="Mark L." last="Greenberg">Mark L. Greenberg</name></region><name sortKey="Barr, Ronald D" sort="Barr, Ronald D" uniqKey="Barr R" first="Ronald D." last="Barr">Ronald D. Barr</name><name sortKey="Barr, Ronald D" sort="Barr, Ronald D" uniqKey="Barr R" first="Ronald D." last="Barr">Ronald D. Barr</name><name sortKey="Dimonte, Bruna" sort="Dimonte, Bruna" uniqKey="Dimonte B" first="Bruna" last="Dimonte">Bruna Dimonte</name><name sortKey="Greenberg, Corin" sort="Greenberg, Corin" uniqKey="Greenberg C" first="Corin" last="Greenberg">Corin Greenberg</name><name sortKey="Greenberg, Mark L" sort="Greenberg, Mark L" uniqKey="Greenberg M" first="Mark L." last="Greenberg">Mark L. Greenberg</name><name sortKey="Mclaughlin, Eva" sort="Mclaughlin, Eva" uniqKey="Mclaughlin E" first="Eva" last="Mclaughlin">Eva Mclaughlin</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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