Comparative analysis of the clinical aspects of colorectal cancer in young adult and older adult patients in Saudi Arabia
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View abstract on PubMed
Summary
This summary is machine-generated.Early-onset colorectal cancer (CRC) is rising in young adults, presenting with more aggressive tumor types. Healthcare providers should lower suspicion thresholds for gastrointestinal symptoms in younger patients to improve early detection and outcomes.
Area Of Science
- Oncology
- Gastroenterology
- Public Health
Background
- Colorectal cancer (CRC) incidence is increasing in individuals under 50.
- Younger CRC patients exhibit a higher prevalence of poorly differentiated, left-sided, and rectal tumors.
- There is a critical need to understand early-onset CRC to guide primary care physicians.
Purpose Of The Study
- To enhance the understanding of early-onset colorectal cancer (CRC) characteristics.
- To identify risk factors and predictors of advanced disease and recurrence in young adult-onset CRC.
- To inform primary care physicians on strategies for early detection and management of CRC in younger populations.
Main Methods
- A cohort of 530 adult CRC patients diagnosed between 2015-2022 was analyzed.
- Patients were stratified into young adult-onset (≤49 years) and older adult-onset (≥50 years) groups.
- Multivariable analyses were employed to assess predictors of CRC prognosis, advanced stage, and recurrence.
Main Results
- Young adults (18.5%) showed higher rates of family history of CRC, other malignancies, and inflammatory bowel disease.
- Gastrointestinal symptoms like abdominal pain and nausea were more frequent in young adults.
- Mucinous adenocarcinoma, signet ring cells, poorly differentiated tumors, and lymphovascular invasion were more prevalent in young adults and predicted advanced stage and recurrence.
Conclusions
- Findings highlight distinct pathological features and risk factors in early-onset CRC.
- Lymphovascular invasion and mucinous histology are independent predictors for advanced stage and recurrence in both young and older adults.
- Recommendations include increased awareness among healthcare providers and reconsideration of current CRC screening guidelines for younger populations.
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