Figure 1. Lineage-based hierarchical classification structure and arrangement of the contents in the 5th edition of WHO classification of hematolymphoid tumors. The numbers represent corresponding chapters: 2, Myeloid proliferations and neoplasms; 3, Histiocytic/Dendritic cell neoplasms; 4, B-cell lymphoid proliferations and lymphomas; 5, T-cell and NK-cell lymphoid proliferations and lymphomas; 6, Stroma-derived neoplasms of lymphoid tissues; 7, Genetic tumor syndromes. ALAL, Acute leukemia of ambiguous lineage; ALCL, anaplastic large cell lymphoma; AML, acute myeloid leukemia; A/w, associated with; BPDCN, blastic plasmacytoid dendritic cell neoplasm; LC, Langerhans cell; MDN, myelodysplastic neoplasm; MPN, myeloproliferative neoplasm; TFH, T follicular helper cell.
Li W. The 5th Edition of the World Health Organization Classification of Hematolymphoid Tumors. In: Li W. editor. Leukemia. Brisbane (AU): Exon Publications. Online first 15 Sep 2022.