骨髄異形成症候群を伴う急性骨髄性白血病:二重同一性または活動性形質転換の症例
Benjamin J Lee1,2, Shawn P Griffin1,2, Deepa Jeyakumar3
1Department of Pharmacy Chao Family Comprehensive Cancer Center University of California Irvine Health Orange California USA.
Introduction:
Acute myeloid leukemia (AML) with plasmacytoid dendritic cell differentiation (pDC-AML) is a newly described subtype of leukemia with features resembling blastic plasmacytoid dendritic cell neoplasm (BPDCN).
Case Presentation:
Herein, we present a case of pDC-AML in which bone marrow findings were best classified as AML, whereas cutaneous manifestations by morphology and immunophenotype were highly suggestive of a pDC neoplasm.
Results:
A high-dose cytarabine with anthracycline backbone and venetoclax was administered based on efficacy in AML and BPDCN, respectively. The patient achieved complete remission as well as resolution of FDG-avid activity by PET-CT imaging.
Conclusions:
This report highlights that clinical correlation with immunophenotype and molecular testing is important in distinguishing these unique entities to guide appropriate diagnosis and management.
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