Polyneuropathy. Organomegaly. Endocrinopathy. M protein and Skin changes (POEMS) syndrome is rare plasma cell dyscrasia with multisystem involvement. https://pmxxmtlbzz056.tokka-blog.com/35182945/myoblast-cytonemes-mediate-wg-signaling-from-the-wing-imaginal-disc-and-delta-notch-signaling-to-the-air-sac-primordium