Clinico-pathological characteristics and outcomes of patients with early-onset colorectal cancer
ANNALS OF ONCOLOGY(2022)
摘要
The rising incidence of colorectal cancer (CRC) among young patients is alarming. We aim to characterize the clinico-pathological features and outcomes of patients with early-onset CRC (EOCRC). We included all of the patients with pathologically confirmed diagnosis of CRC at Hospital Universitario La Paz from October 2016 to September 2020. EOCRC age cut-off was 50 years. All statistical analyses were carried out using SPSS v.25. A total of 1152 patients were diagnosed with CRC, fifty-nine (5,1%) of them were After a median follow-up of 24 months, 279 patients have died. Median overall survival (OS) was not reached in either group (p = 0,06). Three-year OS was 80% (95%CI: 73-87) and 67 (95%CI: 65-69) in the younger and older group, respectively. In patients with localized disease that underwent surgery or other antineoplastic treatment ( n = 856), 159 events for disease-free survival (DFS) were observed. Median DFS was not reached in either group (p =0,144). Three-year DFS was 86% (95%CI: 79-93) and 73% (95%CI: 71-75, respectively). In patients with metastatic disease (n = 332; synchronous or metachronic), median OS was not reach in the EOCRC group vs 18,1 (95%CI: 13,8-22,4), p = 0,05). In those patients with metastatic EOCRC with mutational status assessed (n =23), no difference in OS according to RAS was observed (p = 0,55). Patients with EOCRC are diagnosed at a more advanced stage and display distinct biological features (more prevalence of dMMR and WT tumors among others). Studies focusing on screening in this population and deeper molecular profiling are needed.
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