Incidence of Myelodysplastic Syndromes and Chronic Myeloproliferative Disorders

Myelodysplastic syndromes (MDS) and chronic myeloproliferative disorders (CMD) are being diagnosed in a growing number of patients. However, incidence and survival data related to these conditions are lacking. To address this issue, investigators from several universities and the National Cancer Institute (NCI) reviewed records (>40,000 patients) from the North American Association of Central Cancer Registries (NAACCR) and NCI’s Surveillance, Epidemiology, and End Results (SEER) Program.

Patients who received MDS or CMD diagnoses from 2001 through 2003 were identified using the International Classification of Diseases for Oncology, Third Edition, which includes data on MDS, CMD, and chronic myelomonocytic leukemia (CMML). MDS was reported in…