6 D'Souza D'Souza A A Hayman Hayman SR SR Buadi Buadi F F Mauermann Mauermann M M Lacy Lacy MQ MQ Gertz Gertz MA MA The utility of plasma vascular endothelial growth factor levels in the diagnosis and follow-up of patients with POEMS syndrome The utility of plasma vascular endothelial growth factor levels in the diagnosis and follow-up of patients with POEMS syndrome Blood. This evidence concerns the gene VEGFA and POEMS syndrome.