A primitive plasma cell leukemia with immunoglobulin (Ig) E
2019
: We report here a case of primitive plasma cell leukemia with immunoglobulin (Ig) E. IgE myeloma is an exceptional variant of multiple myeloma, with a very poor prognosis. Its biological diagnosis requires specific analyzes in order to detect IgE gammopathy. Plasma cell leukemia (PCL) is also a very rare and very severe form of multiple myeloma. There are two variants: primitive PCL (pPCL) occurring de novo and secondary PCL (sPCL), evolution of a preexisting myeloma. Its diagnosis is essentially biological since it is defined by a blood plasmocytosis greater than 2 G/L or 20% of the leucocytes.
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