RT Journal Article SR Electronic T1 An unusual presentation of a secondary extramedullary plasmacytoma in a patient with multiple myeloma JF Canadian Journal of Surgery JO CAN J SURG FD Canadian Medical Association SP 75 OP 76 VO 48 IS 1 A1 Martin Dzierzanowski A1 Geoffrey A. Porter YR 2005 UL http://canjsurg.ca/content/48/1/75.abstract