POEMS syndrome is a paraneoplastic syndrome characterized by polyradiculoneuropathy (P), organomegaly (
O), endocrinopathy (
E), clonal plasma cell disorder (M), and skin changes (S). Other features include papilledema, extravascular volume overload, sclerotic bone lesions, thrombocytosis/erythrocytosis, and elevated VEGF levels. [from
ORDO]