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Case Report: Concomitant Diagnosis Of Plasma Cell Leukemia In Patient With Jak2 Positive Myeloproliferative Neoplasm., Christine J Kurian, Colin Thomas, Sarah Houtmann, Thomas Klumpp, Adam Finn Binder

Division of Internal Medicine Faculty Papers & Presentations

Plasma cell dyscrasias and myeloproliferative neoplasms (MPN) are hematologic malignancies arising from two distinct hematopoietic cell lineages. They rarely occur concomitantly. Here, we report a case of a patient with a recent diagnosis of a JAK2 V617F positive MPN who presented with a new diagnosis of plasma cell leukemia. The patient had presented to the hospital with a leukocytosis predominantly comprised of plasma cells, followed by work-up involving peripheral blood flow cytometry, FISH analysis, and bone-marrow biopsy. FISH analysis was suggestive of a common progenitor cell for these distinct hematologic malignancies. To our knowledge, this case represents the second reported …