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Chronic myelomonocytic leukemia with double activating KRAS mutations: molecular characterization of an uncommon case

2026-01-23 oncology Title + abstract only
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Chronic myelomonocytic leukemia (CMML) is a clonal myelodysplastic/myeloproliferative neoplasm characterized by persistent monocytosis and heterogeneous risk of progression to acute leukemia. Mutations within the RAS/MAPK signaling pathway, particularly involving KRAS, are linked to a proliferative disease phenotype and adverse prognosis. We report the first Colombian CMML case harboring two concurrent activating KRAS mutations (p.G12S and p.G13D). Both variants were detected at variant allele f...

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