ArticleEuropean journal of haematology2025
Clinicopathologic Characteristics and Prognostic Profile of Chronic Myeloid Neoplasms With Somatic NF1 Mutations in Adult Patients.
Article in European journal of haematology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- The clinical relevance of RAS pathway gene mutations in childhood B-cell acute lymphoblastic leukemia.Annals of hematology · 2026Article
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10 authors.
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Abstract
objectivesThe clinicopathologic and prognostic features of somatic NF1 mutations have been well studied in pediatric myeloid neoplasms and adult acute myeloid leukemia (AML) but not in adult chronic myeloid neoplasms (CMNs), including myelodysplastic syndrome (MDS), myeloproliferative neoplasms (MPNs), and myelodysplastic/myeloproliferative neoplasms (MDS/MPNs).
methodsA retrospective review was performed to identify adult patients diagnosed with NF1-mutated CMNs between 1/2010 and 8/2023. Patients with NF1 wildtype (NF1-WT) CMNs concurrently diagnosed during the same time were used as a comparative group. Clinicopathologic and genetic characteristics and overall survival (OS) were compared between the two groups.
resultsA total of 36 NF1-mutated CMNs were identified (4.7% of all CMNs), including 19 MDS, 4 MPNs, and 13 MDS/MPNs (all CMML). NF1-mutated CMMLs showed significantly higher absolute monocyte counts (AMC), more frequent complex karyotypes, and higher frequencies of SRSF2 and KRAS mutations compared to NF1-WT CMMLs. NF1-mutated MDS also showed significantly higher AMC, lower frequency of SF3B1, and higher frequencies of SRSF2 and KRAS mutations compared to NF1-WT MDS. The OS of NF1-mutated CMNs was significantly inferior to NF1-WT CMNs (median survival: 2.05 vs. 4.8 years; log-rank p = 0.03).
conclusionsAdult CMNs with mutated NF1 show higher AMC, high-risk molecular cytogenetic features, and inferior survival. Therefore, testing for NF1 mutations could be considered part of risk assessment for patients with CMNs.
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