Gastrointestinal endoscopy · 2021
Colorectal cancer in 18- to 49-year-olds: rising rates, presentation, and outcome in a large integrated health system.
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Vakil Nimish, Ciezki Kristin, Singh Maharaj
Аннотация
BACKGROUND AND AIMS: Colorectal cancer (CRC) rates are increasing in young people, and new guidelines recommend screening should begin at age 45 years. We aimed to evaluate CRC detection rates in a large integrated healthcare system to assess treatment outcomes in younger CRC patients and to determine factors that could aid in identifying these individuals.
METHODS: We analyzed confirmed cases of CRC using a cancer database spanning from 1985 to 2017 from a large integrated healthcare system composed of 15 hospitals, 150 outpatient clinics, and 20 outpatient oncology clinics. Three cohorts were evaluated (18-44 years, 45-49 years, and ≥50 years).
RESULTS: Significant increases in CRC detection were seen in the cohort aged 18 to 44 (annual percentage change, 2.70%) and the cohort aged 45 to 49 (annual percentage change, 4.15%). A higher proportion of African American, Hispanic, and obese subjects were seen in the younger cohorts. A family history of CRC was found in 49% of patients aged 18 to 44 and 38% of patients aged 45 to 50. Patients younger than age 50 were more likely to have metastases at diagnosis (6.8%) versus the cohort over 50 (4.15%; P < .05). Survival was better in younger cohorts, and they were more likely to receive multimodality treatment (surgery with chemotherapy or radiation). Survival probability was similar in different ethnic groups.
CONCLUSIONS: CRC is increasing at similar rates in young people aged 18 to 44 and 45 to 49, and they are more likely to present with advanced disease needing multimodality treatment. A family history identifies some patients <50 years. Young patients presenting with changes in bowel habit, rectal bleeding, anemia, and weight loss should undergo colonoscopy. Rectal and anal symptoms should prompt careful physical and endoscopic evaluation.
METHODS: We analyzed confirmed cases of CRC using a cancer database spanning from 1985 to 2017 from a large integrated healthcare system composed of 15 hospitals, 150 outpatient clinics, and 20 outpatient oncology clinics. Three cohorts were evaluated (18-44 years, 45-49 years, and ≥50 years).
RESULTS: Significant increases in CRC detection were seen in the cohort aged 18 to 44 (annual percentage change, 2.70%) and the cohort aged 45 to 49 (annual percentage change, 4.15%). A higher proportion of African American, Hispanic, and obese subjects were seen in the younger cohorts. A family history of CRC was found in 49% of patients aged 18 to 44 and 38% of patients aged 45 to 50. Patients younger than age 50 were more likely to have metastases at diagnosis (6.8%) versus the cohort over 50 (4.15%; P < .05). Survival was better in younger cohorts, and they were more likely to receive multimodality treatment (surgery with chemotherapy or radiation). Survival probability was similar in different ethnic groups.
CONCLUSIONS: CRC is increasing at similar rates in young people aged 18 to 44 and 45 to 49, and they are more likely to present with advanced disease needing multimodality treatment. A family history identifies some patients <50 years. Young patients presenting with changes in bowel habit, rectal bleeding, anemia, and weight loss should undergo colonoscopy. Rectal and anal symptoms should prompt careful physical and endoscopic evaluation.