Colorectal Cancer in the Oncology Department at the Joseph Ravoahangy Andrianavalona, Antananarivo, Madagascar: Retrospective Study

Introduction: Colorectal cancer is one of the most common causes of cancer morbidity. The epidemiological and therapeutic data available are very li-mited in Antananarivo. The aim of this study was to provide an updated report on the management of colorectal cancer and know the survival of patients. Patients and Methods: A descriptive retrospective study during 2018 and 2019 carried out in the oncology department of Joseph Ravoahangy Andrianavalona Antananarivo Hospital. Newly diagnosed patients with histological evidence were included in the study. Results: Sixty-five cases of cancer were collected, including 39 colon cancers and 26 rectal cancers. The average age was 53 years with extremes of 18 and 83 years. In 41.53%, the patients were young people under 50 years old. The sex ratio was 0.95. Four patients (6.15%) had a family history of first degree cancer. The left colon was the most common location in 43.06% of cases. Only 39% of patients were diagnosed within 6 months of the first symptoms. The most common histological type was lieberkuhnian adenocarcinoma (87.69%).