Visual abstract | Key updates to the classification of MDS in the 5th WHO Classification of Haematolymphoid Tumours

The MDS Hub is pleased to present a visual abstract summarizing the key updates and changes in the 5th edition of the World Health Organization Classification of Haematolymphoid Tumours: Myeloid and Histiocytic/Dendritic Neoplasms. Updates include the grouping of myelodysplastic syndromes (MDS) entities as genetically or morphologically defined and the addition of MDS-SF3B1, MDS-5q, and MDS-biTP53 as genetically defined subtypes. Terminology describing the types of childhood MDS have been revised and the diagnostic criteria for chronic myelomonocytic leukemia have been amended.