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      Malignant central nervous system tumors among adolescents and young adults (15-39 years old) in 14 Southern-Eastern European registries and the US Surveillance, Epidemiology, and End Results program: Mortality and survival patterns : CNS Tumor Mortality and Survival Rates

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          Most cited references 26

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          The distinctive biology of cancer in adolescents and young adults.

          One explanation for the relative lack of progress in treating cancer in adolescents and young adults is that the biology of malignant diseases in this age group is different than in younger and older persons, not only in the spectrum of cancers but also within individual cancer types and within the patient (host). Molecular, epidemiological and therapeutic outcome comparisons offer clues to this distinctiveness in most of the common cancers of adolescents and young adults. Translational and clinical research should not assume that the biology of cancers and patients is the same as in other age groups, and treatment strategies should be tailored to the differences.
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            Survival of European children and young adults with cancer diagnosed 1995-2002.

            This study analyses survival in 40,392 children (age 0-14 years) and 30,187 adolescents/young adults (age 15-24 years) diagnosed with cancer between 1995 and 2002. The cases were from 83 European population-based cancer registries in 23 countries participating in EUROCARE-4. Five-year survival in countries and in regional groupings of countries was compared for all cancers combined and for major cancers. Survival for 15 rare cancers in children was also analysed. Five-year survival for all cancers combined was 81% in children and 87% in adolescents/young adults. Between-country survival differences narrowed for both children and adolescents/young adults. Relative risk of death reduced significantly, by 8% in children and by 13% in adolescents/young adults, from 1995-1999 to 2000-2002. Survival improved significantly over time for acute lymphoid leukaemia and primitive neuroectodermal tumours in children and for non-Hodgkin lymphoma in adolescents/young adults. Cancer survival in patients <25 years is poorly documented in Eastern European countries. Complete cancer registration should be a priority for these countries as an essential part of a policy for effective cancer control in Europe.
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              Geographical patterns and time trends of cancer incidence and survival among children and adolescents in Europe since the 1970s (the ACCISproject): an epidemiological study.

              Cancer is rare before age 20 years. We aimed to use the European database of childhood and adolescent cancer cases, within the Automated Childhood Cancer Information System project, to estimate patterns and trends of incidence and survival within Europe. Comparable, high-quality data from 63 European population-based cancer registries consisted of 113000 tumours in children and 18243 in adolescents diagnosed in 1970-99. Incidence rates and survival were compared by region (east vs west), period, and malignant disease. In the 1990s, age-standardised incidence rates were 140 per million for children (0-14 years) and 157 per million for ages 0-19 years. Over the three decades, overall incidence increased by 1.0% per year (p<0.0001) in children (increases for most tumour types), and by 1.5% (p<0.0001) in adolescents (15-19 years; notable increases were recorded for carcinomas, lymphomas, and germ-cell tumours). Overall 5-year survival for children in the 1990s was 64% in the east and 75% in the west, with differences between regions for virtually all tumour groups; 5-year survival was much the same in adolescents. Survival has improved dramatically since the 1970s in children and adolescents, more so in the west than in the east. Our results are clear evidence of an increase of cancer incidence in childhood and adolescence during the past decades, and of an acceleration of this trend. Geographical and temporal patterns suggest areas for further study into causes of these neoplasms, as well as providing an indicator of progress of public-health policy in Europe.
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                Author and article information

                Journal
                Cancer
                Cancer
                Wiley
                0008543X
                November 15 2017
                November 15 2017
                July 14 2017
                : 123
                : 22
                : 4458-4471
                Affiliations
                [1 ]Department of Hygiene, Epidemiology, and Medical Statistics, School of Medicine; National and Kapodistrian University of Athens; Athens Greece
                [2 ]Department of Neurology; University Hospital; Linköping Sweden
                [3 ]National Cancer Registry of Ukraine; National Institute of Cancer; Kiev Ukraine
                [4 ]Institute of Public Health of Serbia; Belgrade Serbia
                [5 ]Izmir Cancer Registry, Izmir Hub; Izmir and Hacettepe University Institute of Public Health; Ankara Turkey
                [6 ]Greater Poland Cancer Registry, Department of Cancer Prevention and Epidemiology; Greater Poland Cancer Center; Poznan Poland
                [7 ]Croatian National Cancer Registry; Croatian Institute of Public Health; Zagreb Croatia
                [8 ]Cancer Registry of the Republic of Slovenia; Institute of Oncology; Ljubljana Slovenia
                [9 ]North Region Cancer Registry of Portugal; Portuguese Oncology Institute of Porto; Porto Portugal
                [10 ]Belarusian Research Center for Pediatric Oncology, Hematology, and Immunology; Childhood Cancer Subregistry of Belarus; Minsk Belarus
                [11 ]Central Region Cancer Registry of Portugal; Portuguese Oncology Institute of Coimbra; Coimbra Portugal
                [12 ]Regional Cancer Registry of Iasi; National Institute of Public Health; Iasi Romania
                [13 ]Regional Cancer Registry of Cluj; Ion Chiricuta Oncological Institute; Cluj-Napoca Romania
                [14 ]Cyprus Cancer Registry, Health Monitoring Unit; Ministry of Health; Nicosia Cyprus
                [15 ]Malta National Cancer Registry, Department of Health Information and Research; Valletta Malta
                [16 ]Cancer Registry, Department for Epidemiology of Noncommunicable Diseases, Center for Disease Prevention and Control; Institute of Public Health; Podgorica Montenegro
                [17 ]Department of Neurosurgery; Aghia Sophia Children's Hospital; Athens Greece
                [18 ]Second Department of Radiology, Radiotherapy Unit, Attikon University Hospital, School of Medicine; National and Kapodistrian University of Athens; Greece Athens
                [19 ]Neurosurgery Department; Errikos Dunant Hospital Center; Athens Greece
                [20 ]Neurosurgical Institute; Ioannina University School of Medicine; Ioannina Greece
                [21 ]Neurosurgical Department; General Nikaia Piraeus Hospital; Athens Greece
                [22 ]Department of Neurosurgery and Gamma Knife Radiosurgery; Hygeia Hospital; Athens Greece
                [23 ]Department of Pediatric Hematology and Oncology; Panagiotis and Aglaia Kyriakou Children's Hospital; Athens Greece
                [24 ]Clinical Epidemiology Unit, Department of Medicine; Karolinska Institute; Stockholm Sweden
                Article
                10.1002/cncr.30884
                © 2017

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