Abstract
Background
Colorectal cancer (CRC) in young patients is associated with a poor outcome due to advanced stage at diagnosis and poor differentiation.
Aim
The aim of this study is to compare clinicopathological characteristics, overall survival (OS) and disease-free survival (DFS) of young (≤40 years) and older patients with CRC.
Methods
A total of 2,538 patients including 59 young patients (age ≤40 years) with CRC were identified over 20 years. The clinicopathological variables of young patients were compared with a group of consecutive older patients (n = 416) spanning both decades. Survival analysis was done using Kaplan–Meier, log-rank and Cox regression models.
Results
The frequency in young patients increased from 1.4% to 3.0% from first to second decade (overall −2.3%, p = 0.006). There was a higher frequency of tumours with poor differentiation (43% vs. 16%, p = < 0.001), T4 stage (47% vs. 30%, p = 0.005) and vascular invasion (VI; 38% vs. 29%, p = 0.13) in younger group. There was no significant difference in OS (p = 0.116) and DFS (p = 0.261) between the two groups. Node-negative young patients had a significantly better OS (p = 0.046). Young patients with VI had significantly reduced OS (p = 0.043), whereas young patients without VI had significantly better OS (p = 0.012). Multivariate analysis showed T4 status (p = 0.001) and vascular invasion (p = 0.002) as independent prognostic factors for OS and T4 status (p = 0.004) as independent factor influencing DFS.
Conclusion
The frequency of CRC in young patients increased significantly. Vascular invasion is the single most important prognostic factor in young CRC. Along with vascular invasion, high proportion of T4 status in young patients increases the chances of recurrence and negates any survival advantage in young patients.
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Ganapathi, S., Kumar, D., Katsoulas, N. et al. Colorectal cancer in the young: trends, characteristics and outcome. Int J Colorectal Dis 26, 927–934 (2011). https://doi.org/10.1007/s00384-011-1174-z
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DOI: https://doi.org/10.1007/s00384-011-1174-z