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ArticleCardiovascular & hematological disorders drug targets2026

Acute Non-promyelocytic Leukemia with Complex Karyotype and Novel t (15;17) (q21; p11.2)/B2M:

Arjun Kachhwaha, Shalini Singh, Neha Singh, Charu Bahl, Uttam Kumar Nath

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Article in Cardiovascular & hematological disorders drug targets, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

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5 authors.

Arjun KachhwahaDepartment of Medical Oncology Hematology, All India Institute of Medical Sciences, Rishikesh, India.ORCID 0009-0002-8443-6452
Shalini SinghDepartment of Pathology and Lab Medicine, All India Institute of Medical Sciences, Rishikesh, India.
Neha SinghDepartment of Pathology and Lab Medicine, All India Institute of Medical Sciences, Rishikesh, India.ORCID 0000-0002-1870-0131
Charu BahlMedGenome Labs Ltd, Bangalore, India.
Uttam Kumar NathDepartment of Medical Oncology Hematology, All India Institute of Medical Sciences, Rishikesh, India.

Funding

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6 · The paper itself

Abstract

backgroundThe t(15;17)(q22;q21) is a well-known cytogenetic abnormality in acute promyelocytic leukemia (APL) and has defined management and better outcomes compared to other acute myeloid leukemia subtypes. Acute myeloid leukemia (AML) with t(15;17)(q21;p11.2) cytogenetic abnormality and associated B2M::RARA molecular abnormality has not been previously reported. CASE PRESENTATION: The patient reported here was a 48-year-old female who presented with generalized weakness, with no lymphadenopathy or organomegaly. Further evaluation for pancytopenia revealed a diagnosis of AML confirmed by immunophenotyping using flow cytometry. Conventional karyotyping revealed a complex karyotype with the presence of 48, XX, add(1)(q44), +der(1), del(3)(q12q21), del(5)(q31), del(6)(q21), t(15;17)(q21;p11.2), +21[cp20]. Fluorescence in situ hybridization (FISH) and polymerase chain reaction (PCR) for PML-RARA t(15;17)(q24;q21) were negative, and next-generation sequencing (NGS) revealed TP53 mutation and B2M-RARA fusion. The patient was managed with a hypomethylating agent plus venetoclax (VEN) therapy.

conclusiont(15;17)(q21;p11.2) is a novel cytogenetic abnormality in AML, along with the B2M-RARA fusion, and warrants thorough evaluation to rule out APL.

Indexed as

Leukemia, Promyelocytic, AcuteOncogene Proteins, FusionRetinoic Acid Receptor alphaTranslocation, GeneticChromosomes, Human, Pair 15Chromosomes, Human, Pair 17FemaleHumansKaryotypeKaryotypingMiddle AgedOncogene Proteins, FusionRARA protein, humanRetinoic Acid Receptor alphaAcute myeloid leukemia (AML)acute promyelocytic leukemia (APL)cytogenetic (CTG) abnormalitynext-generation sequencing (NGS)

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.