Background: Activating mutations of the FLT3 receptor tyrosine kinase are common in acute promyelocytic leukemia (APL) but have uncertain prognostic significance. Information regarding FLT3 expression levels in APL without FLT3 mutations is lacking.
Materials And Methods: Using RT-PCR, mutation analysis of the FLT3 gene, regarding internal tandem duplications (ITDs) and codon 835-836 point mutations, was performed and real-time PCR was carried out to determine the level of FLT3 expression in 11 APL patients at diagnosis and 5 in haematological remission with molecularly detectable disease.
There are a few reported cases in the literature of thrombotic thrombocytopenic purpura (TTP), associated with systemic lupus erythematosus (SLE). We describe two cases of TTP which have been presented during rapidly progressive lupus nephritis, with grand-mal seizures, thrombocytopenia and microangiopathic hemolytic anemia. Both cases were treated with hemodialysis, plasma exchange, corticosteroids, cyclophosphamide and intravenous gamma-globulin.
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