Right sided colorectal cancer increases with age and screening should be tailored to reflect this: a national cancer database study

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dc.creatorT.reif de Paula
dc.creatorH.l. Simon
dc.creatorMagda Maria Profeta da Luz
dc.creatord. s. Keller
dc.date.accessioned2023-05-05T20:33:12Z
dc.date.accessioned2025-09-09T01:20:20Z
dc.date.available2023-05-05T20:33:12Z
dc.date.issued2020
dc.format.mimetypepdf
dc.identifier.doi10.1007/s10151-020-02329-z
dc.identifier.issn11236337
dc.identifier.urihttps://hdl.handle.net/1843/52882
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofTechniques in Coloproctology
dc.rightsAcesso Aberto
dc.subjectColonoscopia
dc.subjectCancer
dc.subjectNeoplasias colorretais
dc.subjectPrevenção de doenças
dc.subject.otherColonoscopia
dc.subject.otherCancer
dc.subject.otherNeoplasias colorretais
dc.subject.otherPrevenção de doenças
dc.titleRight sided colorectal cancer increases with age and screening should be tailored to reflect this: a national cancer database study
dc.typeArtigo de periódico
local.citation.epage89
local.citation.issue25
local.citation.spage81
local.citation.volume2021
local.description.resumoBackground In the United States, colorectal cancer (CRC) screening and surveillance is recommended until age 75. How ever, rates of surgery for CRC are greatest in the elderly, questioning current guidelines. Tumor sidedness is an emerging prognostic marker that may help guide screening and treatment decisions, with specifc beneft evaluating CRC anatomic distribution in the elderly. Our objective was to investigate the anatomical distribution of CRC in the elderly and factors associated with right-sidedness. Methods The National Cancer Database (2004–2016) was used to identify elderly patients with CRC. Cases were strati fed by tumor sidedness and elderly subgroups: 65–74, 75–84, and≥85 years of age, and further categorized by primary site. Multivariate analysis identifed factors associated with CRC right-sidedness. The outcomes were CRC sidedness in the elderly, the anatomic distribution by age group, and factors associated with right-sidedness. Results There were 508,219 colorectal cancer patients aged over 65 years identifed, 54% of whom had a right-sided cancer. The right-sided incidence rates by age group were 49% (65–74 years), 58.2% (75–84 years), and 65.9% (≥85 years) (p<0.001). Variables associated with right-sidedness were age (OR 1.032; 95% CI 1.031–1.033; p<0.001), female sex (OR 1.541; 95% CI 1.522–1.561; p<0.001), Medicare (OR 1.023, 95% CI 1.003–1.043; p=0.027), year of diagnosis≥2010 (OR 1.133; 95% CI 1.119–1.147; p<0.001), tumor size>5 cm (OR 1.474; 95% CI 1.453–1.495; p<0.001), pathologic stage IV (OR 1.036; 95% CI 1.012–1.060; p=0.003).Conclusions We found higher rates of right-sided colon cancer in the 75 and above age group. This is a population who would beneft greatly from a high-quality and complete colonoscopy for early diagnosis. As screening and surveillance for this age group are not currently recommended, our fndings question the lack of universal recommendation of colonoscopy in patients over 75 years old. Guidelines for CRC screening and surveillance should consider the colon cancer right-shift in the elderly population. Based on these results, we recommend thorough assessment of the proximal colon in the elderly.
local.identifier.orcidhttps://orcid.org/0000-0002-5970-9570
local.publisher.countryBrasil
local.publisher.departmentMED - DEPARTAMENTO DE CIRURGIA
local.publisher.initialsUFMG
local.url.externahttps://link.springer.com/article/10.1007/s10151-020-02329-z

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