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 ORIGINAL ARTICLE
Year : 2014  |  Volume : 51  |  Issue : 1  |  Page : 18-19

Plasma cell leukemia: A retrospective study of 10 cases


Department of Pathology, The Gujarat Cancer and Research Institute, Ahmedabad, Gujarat, India

Correspondence Address:
Anshul D Agarwal
Department of Pathology, The Gujarat Cancer and Research Institute, Ahmedabad, Gujarat
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-509X.134605

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Background: Plasma cell leukemia (PCL) is a rare aggressive variant of multiple myeloma (MM) characterized by a fulminant course and poor prognosis. Flow cytometry (FCM) is very useful in the diagnosis of the plasma cell leukemia. Herein, we present 10 cases of PCL. Materials and Methods: We retrospectively studied immunophenotypic profile of 10 cases of PCL from Jan 2009 to Dec 2013 using 5 parameters, 6 color flow cytometric analysis. We also studied their clinical presentation and other laboratory findings. Results: Common clinical features at presentation were weakness, bone pain, anemia, thrombocytopenia and osteolytic lesions. Plasma cell population were identified by strong expression of CD38 and co-expression of CD38 and CD138. CD56 was expressed in 20% cases. CD19 and CD117 were negative in all cases. Conclusions: Immunophenotyping is highly useful to differentiate PCL from other chronic lymphoproliferative disorders with plasmacytoid morphology as well as from non-neoplastic reactive plasma cells. Co-expression of CD38 and CD138 is a best combination to identify the plasma cells by using FCM.






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