Extramedullary plasmacytomas represent a rare group of B-cell malignancies that arise outside the bone marrow and their disease process is still poorly understood. Here, we will describe a case of a 76-year-old patient who presented with a large chest wall and subglottic mass causing airway compromise and stridor. Biopsies showed atypical plasma cells with prominent nucleoli which were in keeping with an extramedullary plasmacytoma. Disease progressed despite surgical debulking, targeted radiotherapy, and multiple chemotherapy regimens. Although response to treatment is classically good, patients occasionally present with aggressive disease.
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