1Luh SP, Lai YS,Tsai CH, et al. Extr-amedullary plasmacytoma ( EMP ) : Report of a case manifested as a mediastinal mass and multiple pulmonary nodules and review of literature. World J Surg Oncol, 2007, 5: 123.
2Straetmans J, Stokroos R. Extramedullary plasmacytomas in the head and neck region. Eur Arch Otorhinolaryngol, 2008 , 265: 1417-1423.
