Characteristics and Outcome of 66 Patients with Extramedullary Plasmacytomas (EMPs) Included in a Phase III PETHEMA/GEM Study of Induction Therapy Prior Autologous Stem Cell Transplantation (ASCT) in Multiple Myeloma (MM)

S52 704 Characteristics and Outcome of 66 Patients with Extramedullary Plasmacytomas (EMPs) Included in a Phase III PETHEMA/GEM Study of Induction Therapy Prior Autologous Stem Cell Transplantation (ASCT) in Multiple Myeloma (MM) Raquel Jimenez-Segura, Laura Rosinol, Ana Isabel Teruel, Javier de la Rubia, M Victoria Mateos, Miguel T. Hernandez, Dolores Hernandez, M Jesus Blanchard, Belen Inigo, Luis Palomera, Isabel Krsnik, Jose Francisco Tomas, Norma C. Gutierrez, Jesus San Miguel, Juan Jose Lahuerta, Joan Blade on behalf of Grupo Espanol de Mieloma (PETHEMA/ GEM) Hospital Clinic, Barcelona; Hospital Doce de octubre; Hospital universitario Salamanca; MD Anderson Spain; Hospital Puerta Del Hierro; Hospital lozano Blesa; Hospital San Carlos; Hospital Ramon y Cajal; Hospital universitario de canarias; Hospital la Fe; Hospital Universitario de valencia; Hospital la Paz