ArticleThe Permanente journal2022
Rare Case of Mixed Phenotype Acute Leukemia Presenting as a Myeloid Sarcoma Without Leukemic Involvement.
Article in The Permanente journal, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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2 citing papers in PubMed, 4 citations in OpenAlex.
- The Efficiency of Allotransplant in a Case of Acute Biphenotypic Myeloid and B-Lymphoid Leukemia (MPAL Myelo/B NOS) That Presented Concurrently with a Mediastinal Granulocytic Sarcoma Co-Expressing Lymphoid Markers Complicated by Cardiac Tamponade.Diagnostics (Basel, Switzerland) · 2026Article
- Mixed-phenotype acute leukemia with trilineage differentiation presenting as a non-leukemic mediastinal tumor.Journal of clinical and experimental hematopathology : JCEH · 2025Article
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4 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
introductionMixed phenotype acute leukemia (MPAL) is a rare type of acute leukemia with immunophenotypic features of both myeloid-derived and lymphoid-derived lineages. CASE PRESENTATION: We present an atypical case of a 32-year-old woman presenting with an anterior mediastinal mass and pericardial/pleural involvement that was initially diagnosed as primary mediastinal diffuse large B-cell lymphoma. However, flow cytometry on pleural fluid confirmed the diagnosis of MPAL of B-cell/myeloid lineage without peripheral blood/bone marrow involvement. The patient was treated with an acute lymphoblastic leukemia-type regimen and proceeded with myeloablative allogeneic hematopoietic cell transplantation in first complete remission.
conclusionMPAL can rarely present with isolated extramedullary disease without leukemic involvement and can often be misdiagnosed as a non-Hodgkin lymphoma. Careful integration of all the clinical data, particularly flow cytometry results, can clarify the diagnosis and change the treatment plan.
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