This issue highlights some of the exciting new developments in pediatric oncology and hematology.? Three articles are devoted to pediatric leukemia, which remains the most common form of pediatric cancer.? Specifically, articles address ALL, AML, and leukemia in patients with Down syndrome. Other articles that address pediatric oncology include CNS tumors and neuroblastoma as well as advances in cancer immunotherapy. A very interesting article addresses the challenges experienced by adults who survived a childhood cancer. The hematology articles in this issue cover aspects that most clinicians see on a regular basis-sickle cell disease, thalassemia, and hemophilia, and ITP.

This issue of Hematology/Oncology Clinics, Guest Edited by Drs. Rachael Grace and Russell E. Ware, will focus on Pediatric Hematology. This issue is one of six selected for the year by the series Consulting Editors, George P. Canellos and H. Franklin Bunn. Topics include, but are not limited to, Rare Congenital Hemolytic Anemias, Sickle Cell, Thalassemia, Neutropenia and rare leukocyte disorders in children, Primary and Secondary Immune cytopenias, Disorders of Iron overload, Disorders of Iron metabolism, Approach to Hemophilia in a Changing Treatment Landscape, Von Willebrand disease, Inherited platelet disorders, Thrombosis, Diagnostic evaluation and medical approach to complications and treatment of vascular anomalies, New approaches and trials in Transfusion Medicine, and Updates in Neonatal Hematology.