Although pediatric hematopathology overlaps with that of adults, certain forms of leukemia and lymphoma, and many types of reactive conditions affecting the bone marrow and lymph nodes, are unique to children. As part of this series focused on lymphomas, this article (1) details the novel subtypes of lymphoblastic leukemia seen primarily in children and described since the 2017 World Health Organization classification and (2) discusses unique concepts in pediatric hematopathology, including nomenclature changes and evaluation of surgical margins in selected lymphomas.
Keywords: Anterior mediastinal mass; B-lymphoblastic leukemia; Hematogone hyperplasia; Lymphadenitis; Pediatric leukemia; Pediatric lymphoma; WHO classification.
Copyright © 2023 Elsevier Inc. All rights reserved.