This article summarizes presentations from the Second International Symposium on Myelodysplastic Syndromes in Childhood, May 11 to 14, 2000, in Funen, Denmark. Topics included epidemiology, pathology, pathophysiology, cytogenetics, congenital neutropenia, transplantation, and classification. Dr. Henrik Hasle was the Meeting Chair and Dr. Gitte Kerndrup was the Co-Chair.