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Clinical characteristics and a rising incidence of early-onset colorectal cancer in a nationwide cohort of 521 patients aged 18-40 years

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@article{d3b8f7a8647246f48bb42198bc740070,
title = "Clinical characteristics and a rising incidence of early-onset colorectal cancer in a nationwide cohort of 521 patients aged 18-40 years",
abstract = "BACKGROUND: The incidence of early-onset colorectal cancer (eoCRC) has been reported to increase, and patients with eoCRC seem to be diagnosed at more advanced stages compared to elderly patients. The aim of this study was to describe patient and disease characteristics, symptomatology and the incidence of eoCRC in a national cohort.MATERIALS AND METHODS: 521 eoCRC patients (≤40 years old) diagnosed with histologically verified colorectal cancer (CRC) during the years 2001-2013 were identified in national databases and compared to more than 15,000 CRC patients aged 66-75 years. Age-adjusted incidence was calculated for eoCRC patients and various sub-analyses were performed.RESULTS: More advanced stages were seen in eoCRC patients compared to elderly patients (stage II: p < 0.001, III: p = 0.01 and IV: p < 0.01). Differences were statistically significant in colon cancer, but not in rectal cancer. A significant difference in sex distribution was seen between right and left-sided tumors in the eoCRC group. The age-adjusted incidence rate increased during the study period (1.60-2.55 per 100.000), and significant annual percent changes (APC) were seen in young females (APC = 4.73) and left-sided tumor localization (including rectal cancer) (APC = 4.54), respectively.CONCLUSION: In this nationwide cohort of eoCRC patients, our results confirm that young patients are diagnosed at advanced stages, and that the incidence of eoCRC is increasing.",
keywords = "Colon cancer, Colorectal cancer, Early-onset, Incidence, Rectal cancer, Symptoms",
author = "Erik Frostberg and Rahr, {Hans B}",
note = "Copyright {\circledC} 2020 Elsevier Ltd. All rights reserved.",
year = "2020",
month = "6",
day = "1",
doi = "10.1016/j.canep.2020.101704",
language = "English",
volume = "66",
journal = "Cancer Epidemiology",
issn = "1877-7821",
publisher = "Elsevier Inc",

}

RIS

TY - JOUR

T1 - Clinical characteristics and a rising incidence of early-onset colorectal cancer in a nationwide cohort of 521 patients aged 18-40 years

AU - Frostberg, Erik

AU - Rahr, Hans B

N1 - Copyright © 2020 Elsevier Ltd. All rights reserved.

PY - 2020/6/1

Y1 - 2020/6/1

N2 - BACKGROUND: The incidence of early-onset colorectal cancer (eoCRC) has been reported to increase, and patients with eoCRC seem to be diagnosed at more advanced stages compared to elderly patients. The aim of this study was to describe patient and disease characteristics, symptomatology and the incidence of eoCRC in a national cohort.MATERIALS AND METHODS: 521 eoCRC patients (≤40 years old) diagnosed with histologically verified colorectal cancer (CRC) during the years 2001-2013 were identified in national databases and compared to more than 15,000 CRC patients aged 66-75 years. Age-adjusted incidence was calculated for eoCRC patients and various sub-analyses were performed.RESULTS: More advanced stages were seen in eoCRC patients compared to elderly patients (stage II: p < 0.001, III: p = 0.01 and IV: p < 0.01). Differences were statistically significant in colon cancer, but not in rectal cancer. A significant difference in sex distribution was seen between right and left-sided tumors in the eoCRC group. The age-adjusted incidence rate increased during the study period (1.60-2.55 per 100.000), and significant annual percent changes (APC) were seen in young females (APC = 4.73) and left-sided tumor localization (including rectal cancer) (APC = 4.54), respectively.CONCLUSION: In this nationwide cohort of eoCRC patients, our results confirm that young patients are diagnosed at advanced stages, and that the incidence of eoCRC is increasing.

AB - BACKGROUND: The incidence of early-onset colorectal cancer (eoCRC) has been reported to increase, and patients with eoCRC seem to be diagnosed at more advanced stages compared to elderly patients. The aim of this study was to describe patient and disease characteristics, symptomatology and the incidence of eoCRC in a national cohort.MATERIALS AND METHODS: 521 eoCRC patients (≤40 years old) diagnosed with histologically verified colorectal cancer (CRC) during the years 2001-2013 were identified in national databases and compared to more than 15,000 CRC patients aged 66-75 years. Age-adjusted incidence was calculated for eoCRC patients and various sub-analyses were performed.RESULTS: More advanced stages were seen in eoCRC patients compared to elderly patients (stage II: p < 0.001, III: p = 0.01 and IV: p < 0.01). Differences were statistically significant in colon cancer, but not in rectal cancer. A significant difference in sex distribution was seen between right and left-sided tumors in the eoCRC group. The age-adjusted incidence rate increased during the study period (1.60-2.55 per 100.000), and significant annual percent changes (APC) were seen in young females (APC = 4.73) and left-sided tumor localization (including rectal cancer) (APC = 4.54), respectively.CONCLUSION: In this nationwide cohort of eoCRC patients, our results confirm that young patients are diagnosed at advanced stages, and that the incidence of eoCRC is increasing.

KW - Colon cancer

KW - Colorectal cancer

KW - Early-onset

KW - Incidence

KW - Rectal cancer

KW - Symptoms

UR - http://www.scopus.com/inward/record.url?scp=85082326276&partnerID=8YFLogxK

U2 - 10.1016/j.canep.2020.101704

DO - 10.1016/j.canep.2020.101704

M3 - Journal article

VL - 66

JO - Cancer Epidemiology

JF - Cancer Epidemiology

SN - 1877-7821

M1 - 101704

ER -

ID: 59656434