Objective:To investigate the clinical manifestations and laboratory characteristics of myelodyslastic syndrome(MDS),in order to summarize the common clinical features of MDS.Method:A total of 239 MDS patients were enrolled and analyzed.All the cases were diagnosed by Wright-Giemsa stained morphology of bone marrow and peripheral blood smears and chromosome results according to the WHO classification.We analyzed the sex,age,clinical manifestations,classification,prognostic risk categories,blood routine,bone ...