PAEA Surgery End Of Rotation (EOR) Practice Exam

In which decade is small bowel carcinoma most commonly diagnosed?

1. Fourth decade

2. Sixth decade

3. Fifth decade

4. Seventh decade

The correct answer is: Sixth decade

Small bowel carcinoma is most commonly diagnosed in the sixth decade of life, typically affecting individuals between the ages of 60 and 70. This finding aligns with epidemiological data that indicate a peak incidence of small bowel cancer in older adults. Factors contributing to this trend include cumulative exposure to risk factors such as diet, genetic predispositions, and other underlying gastrointestinal conditions, which tend to manifest or be diagnosed later in life. Research has shown that the incidence of small bowel carcinoma is relatively low compared to other gastrointestinal cancers, such as those of the colon or stomach, and it often requires a higher age demographic for diagnosis. This age-related aspect is significant in clinical practice, as it informs screening strategies and the differential diagnosis when assessing gastrointestinal symptoms in older adults. Understanding the age distribution of small bowel carcinoma is vital for healthcare providers, as it emphasizes the need for vigilance in monitoring gastrointestinal health in this age cohort, particularly in those with known risk factors or presenting symptoms suggestive of malignancy.