Prevalence of Local Recurrence of Colorectal Cancer at the Iranian Cancer Institute

  • Omranipour, Ramesh (Department of Surgical Oncology, Faculty of Medicine, Cancer Institute, Tehran University of Medical Sciences) ;
  • Mahmoodzadeh, Habibollah (Department of Surgical Oncology, Faculty of Medicine, Cancer Institute, Tehran University of Medical Sciences) ;
  • Safavi, Farinaz (Neurology, Faculty of Medicine, Thomas Jefferson University)
  • Published : 2014.11.06


Background: Although a great deal of progress has been made in the management of colorectal cancer in terms of neoadjuvant modalities, surgical techniques and adjuvant therapies, the recurrence of tumors remains an enigmatic complication in patients. A better understanding of colorectal cancer and of factors that lead to recurrence of disease can provide helpful information for designing more effective screening and surveillance methods. Aim: To investigate the factors that may lead to local recurrence of colorectal cancers. Materials and Methods: The current retrospective case study evaluated 617 patients admitted to the Iranian Cancer Institute (the largest referral cancer center in the country) from 1995 to 2009 with confirmed colorectal cancer. Patients with distant metastasis, or with pathology other than adenocarcinoma and no follow-up, were excluded (175 patients). The remainder (442) included 294 (66.5%) with rectal cancer and 148 (33.5%) with colon cancer. The median duration of follow-up was 26 months. Results: The total rate of recurrence was 17.4%, comprising 19.6% and 16.3% recurrence rates in colon and rectal cancer, respectively. Conclusions: Recurrence of colorectal cancer was significantly correlated to tumor grade (p<0.008).


Supported by : Tehran University of Medical Science


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