Abstract
Colon carcinoma is rare in patients under 40 years but incidence is increasing. Results regarding outcome of this age group have been controversial and difficult to interpret. Some authors have reported a worse prognosis related to advanced stage at diagnosis and cancer-aggressive behavior. We tried to assess whether sporadic colon carcinoma in young patients is a distinct disease with different etiology and how this reflects on outcome. Most relevant papers published and indexed on PubMed in the last 20 years were reviewed. Epidemiological data were retrieved from the Surveillance, Epidemiology and End Results database and discussed. Stage-specific analyses adjusted for age have demonstrated that prognosis is related to tumor stage regardless of age. Advanced stage is partly due to tumor biology and to delayed diagnosis. Younger patients show a better performance status that allows aggressive multimodal treatment. Colon carcinoma in young adults appears to be a distinct disease characterized by biological aggressiveness, but prognosis is not worse due to a better performance status at time of surgical intervention.
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