scholarly journals Rising incidence, no change in survival and decreasing mortality from thyroid cancer in The Netherlands since 1989

2013 ◽  
Vol 20 (2) ◽  
pp. 263-271 ◽  
Author(s):  
Olga Husson ◽  
Harm R Haak ◽  
Liza N van Steenbergen ◽  
Willy-Anne Nieuwlaat ◽  
Boukje A C van Dijk ◽  
...  
Keyword(s):  
Thyroid Cancer ◽  
The Netherlands ◽  
Survival Rates ◽  
Age Groups ◽  
Relative Survival ◽  
Incidence Rates ◽  
Mortality Data ◽  
Netherlands Cancer Registry ◽  
Rising Incidence ◽  
Tumour Node

The incidence of thyroid cancer (TC) is increasing worldwide, partly due to increased detection. We therefore assessed combined trends in incidence, survival and mortality of the various types of TC in The Netherlands between 1989 and 2009. We included all patients ≥15 years with TC, diagnosed in the period 1989–2009 and recorded in The Netherlands Cancer Registry (n=8021). Information on age, gender, date of diagnosis, histological type of tumour and tumour–node–metastasis classification was recorded. Mortality data (up to 1st January 2010) were derived from Statistics Netherlands. Annual percentages of change in incidence, mortality and relative survival were calculated. Since 1989 the incidence of TC increased significantly in The Netherlands (estimated annual percentage change (EAPC)=+1.7%). The incidence rates increased for all age groups (except for females >60 years), papillary tumours (EAPC=+3.5%), T1 and T3 TC (EAPC=+7.9 and +5.8% respectively). Incidence rates decreased for T4 TC (−2.3%) and remained stable for follicular, medullary anaplastic and T2 TC. Five-year relative survival rates remained stable for papillary (88%) and follicular (77%) TC, all age groups and T1–T3 TC (96, 94 and 80% respectively) and somewhat lower for T4 (53%), medullary (65%) and anaplastic TC (5%) in the 2004–2009 period compared with earlier periods. Mortality due to TC decreased (EAPC=−1.9%). TC detection and incidence has been rising in The Netherlands, while mortality rates are decreasing and survival rates remained stable or slightly decreasing.

Trends in Incidence and Survival of Multiple Myeloma in the Netherlands in the Last Two Decades. Results From a National Population Based Study

Blood ◽  
2011 ◽  
Vol 118 (21) ◽  
pp. 5071-5071 ◽  
Author(s):  
Silvia GR Verelst ◽  
Hedwig M Blommestein ◽  
Henrike E Karim-Kos ◽  
Peter C Huijgens ◽  
Pieter Sonneveld
Keyword(s):  
The Netherlands ◽  
Board Of Directors ◽  
Research Funding ◽  
Age Groups ◽  
Relative Survival ◽  
Population Based ◽  
Incidence Rates ◽  
Newly Diagnosed ◽  
Advisory Committees ◽  
Over Time

Abstract Abstract 5071 Background: Multiple myeloma (MM) is de second most common haematological malignancy in adults worldwide. MM is common in the elderly. While the general life expectancy is increasing an ever increasing number of patients has to be expected. In the last decade treatment strategies are changed continuously because of the introduction of novel agents and allogeneic and autologous stem cell transplantation. In randomized controlled trials, overall survival in patients up to 65 years is improving convincing. In contrast with results in older patients. We studied data of patients treated outside clinical trials derived from the population based registry in the Netherlands to recognize trends in incidence en survival during 1989–2009. Patients and methods: We included all patients with newly diagnosed MM in the period 1989 – 2009 who were recorded in the Netherlands Cancer Registry (n =16.822 ). Follow-up was until January, 2010. We calculated the yearly age-standardised incidence rates for males and females and age-specific incidence rates in 10 year age groups for both sexes separately and combined. Changes in incidence were evaluated by calculating the estimated annual percentage change (EAPC). We then calculated relative survival, which may be interpreted as disease-specific survival within a cancer patient population. Traditional cohort-based, relative survival analysis was applied for patients diagnosed during 1989–2009. Since follow-up was available until 2010, 5 year relative survival for patients diagnosed in 2004–2009 was estimated using period-based relative survival analysis. Results: The number of newly diagnosed MM cases rose between 1989 and 2009 from 631 to 968 cases respectively. Significantly more males were diagnosed than females over time (p=0.01). Furthermore the proportion of male patients increased slightly over these time periods. However, the overall age standardised incidence rate for males and females remained stable over time but was higher among males than females. The median age at diagnosis was 71 years (p10-P90 range 53–84) and stable over time (p=0.07). Incidence was highest in the 70–79 age group for both sexes. However, because of the aging population the age-specific incidence rates (ASIR) were highest for patients aged 80+ years for both sexes. Within specific age groups significant changes were seen. In the population 50–59 years, the ASIR increased from 5.0 per 100,000 in 1989 to 6.9 in 2009 (EAPC 1989–2009 = + 0.7%; 95% CI: 0.0 –1.3). A decrease was seen in females aged 80+ years from 25.1 per 100,000 in 1989 to 22.4 in 2009 (EAPC 1989–2009 = −1,0; 95% CI: −1.8; −0.2). In the overall patient population the 1-year relative survival increased only slightly from 72% to 77% between 1989 and 2009. 5-year relative survival increased from 28% to 37%. Small improvements in survival were observed for all age groups in the past two decades except for patients aged 80+ years. Relative survival decreased with increasing age. In contrast, in the group aged 40–64 years improvements are already detectable from 1994 on. In 2004–2009 the highest 5-year relative survival, 62%, was seen in patients 40–49 year of age. However the strongest improvement over time was observed among the group 50–59 years. Conclusion: Although the average annual age-adjusted incidence rate remained stable from 1989–2009, the number of newly diagnosed MM patients increased because of the aging population. Relative survival increased slowly but continuously in time for patients until 80 years of age with strongest increase seen in patients up to 64 years of age. Improvement for these younger patients is most likely caused by the introduction of novel agents based regiments as well as by the introduction of high dose chemotherapy followed by stem cell transplantation. Our findings in trends of incidence and survival of MM are similar to those reported in other western populations. Disclosures: Sonneveld: Celgene: Membership on an entity's Board of Directors or advisory committees, Research Funding; Janssen-Cilag: Membership on an entity's Board of Directors or advisory committees, Research Funding; Onyx: Membership on an entity's Board of Directors or advisory committees, Research Funding; Millennium: Membership on an entity's Board of Directors or advisory committees.

scholarly journals Opposite Incidence Trends for Differentiated and Medullary Thyroid Cancer in Young Dutch Patients over a 30-Year Time Span

Cancers ◽  
2021 ◽  
Vol 13 (20) ◽  
pp. 5104
Author(s):  
Chantal A. Lebbink ◽  
Medard F. M. van den Broek ◽  
Annemiek B. G. Kwast ◽  
Joep P. M. Derikx ◽  
Miranda P. Dierselhuis ◽  
...  
Keyword(s):  
Thyroid Cancer ◽  
Cancer Registry ◽  
Medullary Thyroid Cancer ◽  
Treatment Options ◽  
Lymph Node Involvement ◽  
Incidence Rates ◽  
Medullary Thyroid ◽  
Incidence Trends ◽  
Netherlands Cancer Registry ◽  
Rising Incidence

Thyroid cancer is the most common endocrine malignancy in children. A rising incidence has been reported worldwide. Possible explanations include the increased use of enhanced imaging (leading to incidentalomas) and an increased prevalence of risk factors. We aimed to evaluate the incidence and survival trends of thyroid cancer in Dutch children, adolescents, and young adults (0–24 years) between 1990 and 2019. The age-standardized incidence rates of differentiated thyroid cancer (DTC, including papillary and follicular thyroid cancer (PTC and FTC, respectively)) and medullary thyroid cancer (MTC), the average annual percentage changes (AAPC) in incidence rates, and 10-year overall survival (OS) were calculated based on data obtained from the nationwide cancer registry (Netherlands Cancer Registry). A total of 839 patients aged 0–24 years had been diagnosed with thyroid carcinoma (PTC: 594 (71%), FTC: 128 (15%), MTC: 114 (14%)) between 1990 and 2019. The incidence of PTC increased significantly over time (AAPC +3.6%; 95%CI +2.3 to +4.8), the incidence rate of FTC showed a stable trend ((AAPC −1.1%; 95%CI −3.4 to +1.1), while the incidence of MTC decreased significantly (AAPC: −4.4% (95%CI −7.3 to −1.5). The 10-year OS was 99.5% (1990–1999) and 98.6% (2000–2009) in patients with DTC and 92.4% (1990–1999) and 96.0% (2000–2009) in patients with MTC. In this nationwide study, a rising incidence of PTC and decreasing incidence of MTC were observed. For both groups, in spite of the high proportion of patients with lymph node involvement at diagnosis for DTC and the limited treatment options for MTC, 10-year OS was high.

scholarly journals EPID-18. TRENDS IN INCIDENCE AND SURVIVAL OF MALIGNANT PEDIATRIC CENTRAL NERVOUS SYSTEM TUMORS IN THE NETHERLANDS

2020 ◽  
Vol 22 (Supplement_3) ◽  
pp. iii322-iii322
Author(s):  
Raoull Hoogendijk ◽  
Jasper van der Lugt ◽  
Dannis van Vuurden ◽  
Eelco Hoving ◽  
Leontien Kremer ◽  
...  
Keyword(s):  
Central Nervous System ◽  
Nervous System ◽  
The Netherlands ◽  
Malignant Gliomas ◽  
Survival Rates ◽  
Tumor Patients ◽  
Netherlands Cancer Registry ◽  
Malignant Astrocytomas ◽  
Brainstem Tumors ◽  
The Impact

Abstract BACKGROUND Variation in survival of pediatric central nervous system (CNS) tumors is large between countries. Within Europe, the Netherlands had one of the worst reported survival rates of malignant CNS (mCNS) tumors during 2000–2007. METHODS Using the Netherlands Cancer Registry, we evaluated trends in incidence and survival of pediatric mCNS tumors (behavior /3, 5th digit in the morphology code) diagnosed between 1990–2017. RESULTS 839 newly-diagnosed mCNS tumor patients <18 years were registered between 1990–2017. Incidence of mCNS tumors remained stable (average incidence rate, 21.6 per million person-years). However, an increased incidence of malignant gliomas, NOS was found (Estimated Annual Percentage Change (EAPC) 11.6% p<0.001). This appears to be related to a registration shift between 1990–1999 and 2000–2009 as brainstem tumors increased (+25%, n=79) for astrocytomas and other gliomas but decreased (-31%, n=32) for unspecified intracranial and intraspinal neoplasms. Overall, 5-year observed survival (5Y-OS) of mCNS tumors increased from 51% in 1990–1999 to 61% in 2010–2017 (P-for-trend<0.001). This increase was not constant over time, as 5Y-OS for the period 2000–2009 was 47%. The only significant decrease in survival was found for malignant astrocytomas and other gliomas with a 5Y-OS of 56% in 1990–1999 decreasing to 48% in 2010–2017 (P-for-trend<0.001). CONCLUSION Between 1990–2017 incidence of mCNS tumors in the Netherlands remained stable and survival increased. However, a decrease in survival was seen for malignant astrocytomas and other gliomas, which is partially explained by the registration shift of brainstem tumors. The impact of this shift on survival for all mCNS tumors is subject to further research.

scholarly journals Vaccine impact and effectiveness of meningococcal serogroup ACWY conjugate vaccine implementation in the Netherlands: a nationwide surveillance study

2021 ◽  
Author(s):  
Milou Ohm ◽  
Susan J M Hahné ◽  
Arie van der Ende ◽  
Elizabeth A M Sanders ◽  
Guy A M Berbers ◽  
...  
Keyword(s):  
The Netherlands ◽  
Incidence Rate ◽  
Vaccination Programme ◽  
Screening Method ◽  
Age Groups ◽  
Incidence Rates ◽  
Age Group ◽  
Mass Campaign ◽  
Conjugate Vaccination ◽  
The Impact

Abstract Background In response to the recent serogroup W invasive meningococcal disease (IMD-W) epidemic in the Netherlands, meningococcal serogroup C (MenC) conjugate vaccination for 14-month-olds was replaced with a MenACWY conjugate vaccination, and a mass campaign targeting 14-18 year-olds was executed. We investigated the impact of MenACWY vaccination implementation in 2018-2020 on incidence rates and estimated vaccine effectiveness (VE). Methods We extracted all IMD cases diagnosed between July 2014 and December 2020 from the national surveillance system. We calculated age group-specific incidence rate ratios by comparing incidence rates before (July 2017-March 2018) and after (July 2019-March 2020) MenACWY vaccination implementation. We estimated VE in vaccine-eligible cases using the screening method. Results Overall, IMD-W incidence rate lowered by 61% (95%CI 40-74). It declined by 82% (95%CI 18-96) in vaccine-eligible age group (15-36 month-olds and 14-18 year-olds) and by 57% (95%CI 34-72) in vaccine non-eligible age groups. VE was 92% (95%CI -20-99.5) against IMD-W vaccine-eligible toddlers. No IMD-W cases were reported in vaccine-eligible teenagers after the campaign. Conclusions The MenACWY vaccination programme was effective in preventing IMD-W in the target population. The IMD-W incidence reduction in vaccine non-eligible age groups may be caused by indirect effects of the vaccination programme. However, disentangling natural fluctuation from vaccine-effect was not possible. Our findings encourage the use of toddler- and teenager MenACWY vaccination in national immunization programmes especially when implemented together with a teenager mass campaign during an epidemic.

Extra-Pulmonary Neuroendocrine Carcinomas: A Population-Based Study in the Netherlands

2018 ◽  
Vol 107 (1) ◽  
pp. 50-59 ◽  
Author(s):  
Jan Maarten van der Zwan ◽  
Sabine Siesling ◽  
Loes van Velthuysen ◽  
Thera Links ◽  
Annemiek Walenkamp ◽  
...  
Keyword(s):  
The Netherlands ◽  
Clinical Decision Making ◽  
Relative Survival ◽  
Unknown Primary ◽  
Female Ratio ◽  
Netherlands Cancer Registry ◽  
Number Of Patients ◽  
Rare Tumours ◽  
Extra Pulmonary ◽  
Neuroendocrine Carcinomas

Background: Extra-pulmonary neuroendocrine carcinomas (EP-NEC) are rare tumours that require expertise for correct and timely diagnosis, which is essential for clinical decision making. The number of patients affected, treatment given, and the proportion surviving the disease is based on limited evidence. The aim of this study is to retrospectively analyse the incidence, treatment, and relative survival (RS) of EP-NEC patients in the Netherlands. Methods: Patients diagnosed between 2008–2012 with EP-NEC or NEC with unknown primary site (UP-NEC) were selected from the Netherlands Cancer Registry based on combinations of tumour localisation and morphology code. Incidence was studied using the European standardised (ESR) and world standardised rates, and RS was calculated using the Ederer II method. Results: In total, 1,544 cases were analysed, 1,045 EP-NEC and 499 UP-NEC. For EP-NEC, the incidence was 1.0 per 100,000 person-years (ESR), the mean age was 68 years, and the male to female ratio was 1: 0.6. Most frequent EP-NEC localisations were the bladder and the gastrointestinal tract, and the treatment most frequently given was surgery in combination with chemotherapy. The overall 5-year RS was 38% for patients with local/regional disease (n = 447), and 7% for patients with extensive disease (n = 582). For UP-NEC patients (n = 499), the 5-year RS was 6%. Conclusions: This study is the first nationwide study presenting an increase in the incidence of EP-NEC patients from 196 to 260 cases annually in the Netherlands. The best 5-year RS was found for EP-NEC patients with local disease located in the bladder, where the worst 5-year RS was found for patients with disease located in the oesophagus.

scholarly journals Lung Cancer Survival in Lithuania: Changes by Histology, Age, and Sex From 2003-2007 to 2008-2012

2019 ◽  
Vol 26 (1) ◽  
pp. 107327481983608 ◽  
Author(s):  
Vaida Gedvilaitė ◽  
Edvardas Danila ◽  
Saulius Cicėnas ◽  
Giedrė Smailytė
Keyword(s):  
Lung Cancer ◽  
Cell Carcinoma ◽  
Cancer Survival ◽  
Survival Rates ◽  
Age Groups ◽  
Relative Survival ◽  
International Classification Of Diseases ◽  
Advanced Lung Cancer ◽  
Almost All ◽  
Disease Stages

Lung cancer is the most common cancer-related death worldwide. The aim of this study is to describe the most recent survival rates by sex, age group, extent of disease, and histology of lung cancer in Lithuania. The study is based on the Lithuanian Cancer Registry database. The analysis included patients with primary invasive lung cancer diagnosed in 1998 to 2012 (International Classification of Diseases, Tenth Revision C33 and C34). Patients were followed up with respect to vital status until December 31, 2012. Five-year relative survival estimates were calculated using period analysis. Relative survival was calculated as the ratio of the observed survival of patients with cancer and the expected survival of the underlying general population. In our study, the overall 5-year relative survival was low but increased slightly (10.7%) from 2003–2007 to 2008–2012. Positive changes in survival were evident in both sexes, in almost all age groups and for all histological groups and disease stages. Adenocarcinoma relative survival increased from 6.7% in 2003–2007 to 12.8% in 2008–2012 and squamous cell carcinoma increased from 7.4% in 2003–2007 to 11.1% in 2008–2012. Patients with small-cell carcinoma had the worst survival (2.9% in 2003-2007 and 3.6% in 2008–2012). The majority of patients with lung cancer are diagnosed with advanced disease. The number of new cases of advanced lung cancer increased from 35.1% to 37.8%. Despite low overall survival, there were positive changes in survival in both sexes, in almost all age groups, and for all histological groups and disease stages. The survival rate of patients with lung cancer in Lithuania is similar to that in other European countries.

scholarly journals Esophageal Cancer in Canada: Trends according to Morphology and Anatomical Location

2012 ◽  
Vol 26 (10) ◽  
pp. 723-727 ◽  
Author(s):  
Michael C Otterstatter ◽  
James D Brierley ◽  
Prithwish De ◽  
Larry F Ellison ◽  
Maureen MacIntyre ◽  
...  
Keyword(s):  
Squamous Cell Carcinoma ◽  
Esophageal Cancer ◽  
Cell Carcinoma ◽  
Esophageal Adenocarcinoma ◽  
Squamous Cell ◽  
Survival Rates ◽  
Relative Survival ◽  
Incidence Rates ◽  
Anatomical Location ◽  
Males And Females

BACKGROUND: Esophageal adenocarcinoma has one of the fastest rising incidence rates and one of the lowest survival rates of any cancer type in the Western world. However, in many countries, trends in esophageal cancer differ according to tumour morphology and anatomical location. In Canada, incidence and survival trends for esophageal cancer subtypes are poorly known.METHODS: Cancer incidence and mortality rates were obtained from the Canadian Cancer Registry, the National Cancer Incidence Reporting System and the Canadian Vital Statistics Death databases for the period from 1986 to 2006. Observed trends (annual per cent change) and five-year relative survival ratios were estimated separately for esophageal adenocarcinoma and squamous cell carcinoma, and according to location (upper, middle, or lower one-third of the esophagus). Incidence rates were projected up to the year 2026.RESULTS: Annual age-standardized incidence rates for esophageal cancer in 2004 to 2006 were 6.1 and 1.7 per 100,000 for males and females, respectively. Esophageal adenocarcinoma incidence rose by 3.9% (males) and 3.6% (females) per year for the period 1986 to 2006, with the steepest increase in the lower one-third of the esophagus (4.8% and 5.0% per year among males and females, respectively). In contrast, squamous cell carcinoma incidence declined by 3.3% (males) and 3.2% (females) per year since the early 1990s. The five-year relative survival ratio for esophageal cancer was 13% between 2004 and 2006, approximately a 3% increase since the period from 1992 to 1994. Projected incidence rates showed increases of 40% to 50% for esophageal adenocarcinoma and decreases of 30% for squamous cell carcinoma by 2026.DISCUSSION: Although esophageal cancer is rare in Canada, the incidence of esophageal adenocarcinoma has doubled in the past 20 years, which may reflect the increasing prevalence of obesity and gastroesophageal reflux disease. Declines in squamous cell carcinoma may be the result of the decreases in the prevalence of smoking in Canada. Given the low survival rates and the potential for further increases in incidence, esophageal adenocarcinoma warrants close attention.

scholarly journals Hysterectomy-Corrected Uterine Corpus Cancer Incidence Trends and Differences in Relative Survival Reveal Racial Disparities and Rising Rates of Nonendometrioid Cancers

2019 ◽  
Vol 37 (22) ◽  
pp. 1895-1908 ◽  
Author(s):  
Megan A. Clarke ◽  
Susan S. Devesa ◽  
Summer V. Harvey ◽  
Nicolas Wentzensen
Keyword(s):  
Cancer Incidence ◽  
Race And Ethnicity ◽  
Survival Rates ◽  
Relative Survival ◽  
Incidence Rates ◽  
Pacific Islanders ◽  
Endometrioid Carcinoma ◽  
Histologic Subtype ◽  
Uterine Corpus ◽  
Cancer Incidence Rates

PURPOSE Uterine corpus cancer incidence rates have been projected to increase, a prediction often attributed to the obesity epidemic. However, correct estimation of these rates requires accounting for hysterectomy prevalence, which varies by race, ethnicity, and region. Here, we evaluated recent trends in hysterectomy-corrected rates by race and ethnicity and histologic subtype and estimated differences in relative survival by race and ethnicity, subtype, and stage. METHODS We estimated hysterectomy prevalence from the Behavioral Risk Factor Surveillance System. Hysterectomy-corrected age-standardized uterine corpus cancer incidence rates from 2000 to 2015 were calculated from the SEER 18 registries. Incidence rates and trends were estimated separately by race and ethnicity, region, and histologic subtype. Five-year relative survival rates were estimated by race and ethnicity, histologic subtype, and stage. RESULTS Hysterectomy-corrected incidence rates of uterine corpus cancer were similar among non-Hispanic whites and blacks and lower among Hispanics and Asians/Pacific Islanders. Endometrioid carcinoma rates were highest in non-Hispanic whites, whereas nonendometrioid carcinoma and sarcoma rates were highest in non-Hispanic blacks. Hysterectomy-corrected uterine corpus cancer incidence increased among non-Hispanic whites from 2003 to 2015 and among non-Hispanic blacks, Hispanics, and Asians/Pacific Islanders from 2000 to 2015. Overall incidence rates among non-Hispanic blacks surpassed those of non-Hispanic whites in 2007. Endometrioid carcinoma rates rose among non-Hispanic blacks, Hispanics, and Asians/Pacific Islanders but were stable among non-Hispanic whites; however, nonendometrioid carcinoma rates rose significantly among all women. Non-Hispanic blacks had the lowest survival rates, irrespective of stage at diagnosis or histologic subtype. CONCLUSION Among all women, rates of nonendometrioid subtypes have been rising rapidly. Our analysis shows profound racial differences and disparities indicated by higher rates of nonendometrioid subtypes and poorer survival among non-Hispanic black women.

Diarrhoea morbidity and mortality in older children, adolescents, and adults

2010 ◽  
Vol 138 (9) ◽  
pp. 1215-1226 ◽  
Author(s):  
C. L. FISCHER WALKER ◽  
R. E. BLACK
Keyword(s):  
Eastern Mediterranean ◽  
Age Groups ◽  
Eastern Mediterranean Region ◽  
Mortality Rates ◽  
Incidence Rates ◽  
Morbidity And Mortality ◽  
Mortality Data ◽  
Older Children ◽  
Incidence And Mortality ◽  
Adolescents And Adults

SUMMARYDiarrhoea is a leading cause of morbidity and mortality yet diarrhoea specific incidence and mortality rates for older children, adolescents, and adults have not been systematically calculated for many countries. We conducted a systematic literature review to generate regional incidence rates by age and to summarize diarrhoea specific mortality rates for regions of the world with inadequate vital registration data. Diarrhoea morbidity rates range from 29·9 episodes/100 person-years for adults in the South East Asian region to 88·4 episodes/100 person-years in older children in the Eastern Mediterranean region and have remained unchanged in the last 30 years. Diarrhoea mortality rates decline as the child ages and remain relatively constant during adulthood. These data are critical for improving estimates worldwide and further highlight the need for improved diarrhoea specific morbidity and mortality data in these age groups.

scholarly journals Incidence, Survival, and Mortality Trends of Cancers Diagnosed in Adolescents and Young Adults (15–39 Years): A Population-Based Study in The Netherlands 1990–2016

Cancers ◽  
2020 ◽  
Vol 12 (11) ◽  
pp. 3421
Author(s):  
Daniël J. van der Meer ◽  
Henrike E. Karim-Kos ◽  
Marianne van der Mark ◽  
Katja K. H. Aben ◽  
Rhodé M. Bijlsma ◽  
...  
Keyword(s):  
The Netherlands ◽  
Cancer Patients ◽  
Cancer Incidence ◽  
Relative Survival ◽  
Mortality Rates ◽  
Adolescent And Young Adult ◽  
Mortality Trends ◽  
Netherlands Cancer Registry ◽  
Incidence And Mortality ◽  
Cancer Types

Adolescent and young adult (AYA) cancer patients, aged 15–39 years at primary cancer diagnosis, form a distinct, understudied, and underserved group in cancer care. This study aimed to assess long-term trends in incidence, survival, and mortality of AYA cancer patients within the Netherlands. Data on all malignant AYA tumours diagnosed between 1990–2016 (n = 95,228) were obtained from the Netherlands Cancer Registry. European age-standardised incidence and mortality rates with average annual percentage change (AAPC) statistics and five-year relative survival rates were calculated. The overall cancer incidence increased from 54.6 to 70.3 per 100,000 person-years (AAPC: +1.37%) between 1990–2016, and increased for both sexes individually and for most cancer types. Five-year relative survival overall improved from 73.7% in 1990–1999 to 86.4% in 2010–2016 and improved for both sexes and most cancer types. Survival remained poor (<60%) for rhabdomyosarcoma, lung, stomach, liver, bladder, and pancreatic carcinomas, among others. Mortality rates among male AYAs overall declined from 10.8 to 6.6 (AAPC: −1.64%) and from 14.4 to 10.1 per 100,000 person-years (AAPC: −1.81%) for female AYAs since 1990. Mortality rates remained unchanged for male AYAs aged 20–24 and 25–29 years. In conclusion, over the past three decades, there has been a considerable increase in cancer incidence among AYAs in the Netherlands. Meanwhile, the survival improved and the mortality overall declined. Survival at five-years now well exceeds above 80%, but did not do so for all cancer types.

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