New trend in colorectal cancer in Germany: are young patients at increased risk for advanced colorectal cancer?

Abstract

Background

The role of colonoscopy in the screening of colorectal cancer (CRC) has been unequivocally established. In Germany, screening colonoscopy with full insurance reimbursement is available for individuals aged 55 and above, and/or for persons with well-known risk factors for CRC. However, advanced CRC is not uncommon in individuals below 55 years. This study was designed to investigate the incidence of advanced CRC in patients < 55 years.

Methods

A retrospective analysis of data from a prospectively maintained CRC database of a university hospital in Germany was performed. Using the recommended age for screening colonoscopy as cutoff, the study population was divided into two groups: < 55 years (study group) and ≥ 55 years (control group). Both groups were compared with regard to the extent of CRC using the UICC stages. Only surgically managed patients were included for analysis. Advanced CRC was defined as UICC stage III or IV.

Results

Complete follow-up data was available for 609 patients treated between 2009 and 2013. The study group included 83 patients, 42 females and 41 males with a median age of 48.0 ± 10 years, while the control group was made up of 526 patients, 230 females and 296 males with a median age of 75.5 ± 8.3 years. Both groups were comparable with regard to gender distribution, p = 0.24. Significantly more patients from the study group were diagnosed with advanced CRC in comparison to the control group, 56.6 vs. 43.9%, p = 0.03. There was no statistically significant difference amongst both groups with respect to cancer-related mortality, 10.8 vs. 12.5%, p = 0.66.

Conclusion

Patients below the recommended age for screening colonoscopy might be at increased risk for advanced CRC. There is need to decrease the recommended age for screening colonoscopy to prevent CRC or enable an early diagnosis in patients below 55 years.

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