Abstract
The heterogeneity of Myelodysplastic Neoplasm (MDS) extends beyond mutational diversity to include significant ethnic variability, a factor that has been underexplored. While the development of the IPSS-M prognostic tool has advanced our understanding of MDS, its reliance on data primarily from European cohorts limits its applicability to non-European populations. Duployez etal.'s review highlighted the importance of molecular markers in MDS for personalized treatment and disease monitoring yet did not address the impact of genetic ancestry. This commentary critiques the IPSS-M's limited sample of 110 Brazilian patients, questioning its adequacy in reflecting the influence of patient ancestry on prognostic accuracy. Given the potential for differing mutation profiles and prognostic implications across diverse ethnic groups, robust genomic ancestry studies are urgently needed. These studies should stratify MDS patients by ethnic background to investigate mutation incidence and impacts, thereby validating IPSS-M and potentially identifying new prognostic markers. Incorporating ethnic diversity into prognostic models is essential for ensuring they are truly universal and inclusive, thereby improving personalized treatment and care for all MDS patients. Commentary on: Duployez and Preudhomme. Monitoring molecular changes in the management of myelodysplastic syndromes. Br J Haematol 2024 (Online ahead of print). doi: 10.1111/bjh.19614.
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