A Case of Acute Myeloid Leukemia with a Previously Unreported Translocation (14; 15) (q32; q13)

A Case of Acute Myeloid Leukemia with a Previously Unreported Translocation (14; 15) (q32; q13)

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Background.We hereby describe what we believe to be the first reported case of t (14; 15) (q32; q13) associated with acute myeloid leukemia (AML).Methods.PubMed, Embase, and OVID search engines were used to review the related literature and similar published cases.

Case.A47-year-old female presented in December Oral Pain Reliever 2011 with AML (acute myelomonocytic leukemia) with normal cytogenetics; molecular testing revealed FLT-3 internal tandem duplication (ITD) mutation, while no mutations involving FLT3 D385/I836, NPM1 exon 12, or KIT exons 8 and 17 were detected.She was induced with 7 + 3 (cytarabine + idarubicin) and achieved complete remission after a second induction with high-dose cytarabine (HiDAC) followed by uneventful consolidation.She presented 19 months after diagnosis with relapsed disease.

Of note, at relapse cytogenetic analysis revealed t (14; 15) (q32; q13), while FLT-3 analysis showed a codon D835 mutation (no ITD mutation was detected).She proved refractory to the initial clofarabine-based regimen, so FLAG-idarubicin then 8 Tracks was used.She continued to have persistent disease, and she was discharged on best supportive care.Conclusion.

Based on this single case of AML with t (14; 15) (q32; q13), this newly reported translocation may be associated with refractory disease.