title: Orbital involvement of an extramedullary plasmacytoma.
abstract: A patient presenting with left-sided proptosis was found to have an EMP primary to the maxillary antrum with extenion into the orbital floor. The patient was in stage II, and myeloma protein was detectable. This protein was found to be the lambda-chain of IgG.
mesh_terms: D000368:Aged; D006801:Humans; D008297:Male; D008441:Maxillary Neoplasms / Q000175:diagnosis / Q000473:pathology; D009918:Orbital Neoplasms / Q000473:pathology; D010954:Plasmacytoma / Q000175:diagnosis / Q000473:pathology; D014057:Tomography, X-Ray Computed