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A Pathogenic NRAS c.38 GA (p.G13D) Mutation in RARA Translocation-negative Acute Promyelocytic-like Leukemia with Concomitant Myelodysplastic Syndrome
- Source :
- Internal medicine (Tokyo, Japan).
- Publication Year :
- 2022
-
Abstract
- An acute promyelocytic leukemia (APL) patient not demonstrating the retinoic acid receptor α (RARA) translocation is rare. A 76-year-old man was diagnosed with myelodysplastic syndrome (MDS). After a year, abnormal promyelocytes were detected with pancytopenia and disseminated intravascular coagulopathy. Morphologically, the patient was diagnosed with APL; however, a genetic examination failed to detect RARA translocation. Thereafter, whole-genome sequencing revealed an NRAS missense mutation [c.38 GA (p.G13D)]. This mutation was not detected in posttreatment bone marrow aspirate, despite residual MDS. Few reports are available on similar cases. Furthermore, the NRAS c.38 GA mutation may be a novel pathogenic variant exacerbating RARA translocation-negative acute promyelocytic-like leukemia.
Details
- ISSN :
- 13497235
- Database :
- OpenAIRE
- Journal :
- Internal medicine (Tokyo, Japan)
- Accession number :
- edsair.pmid..........477f49b4439c75e50c3d02b184d49859