Isolated extramedullary plasmacytoma of the true vocal cord.

Extramedullary plasmacytoma (EMP) is an uncommon neoplastic disorder arising from B-cell series lymphocytes and comprises 3% of plasma cell neoplasms and 0.1% of laryngeal carcinomas. Isolated EMP of the true vocal cord is an extremely rare lesion. Only 9 cases have been reported in the English medical literature. We report a case of isolated EMP of the right true vocal cord in a 55-year-old male with a 10-year history of intermittent hoarseness. Although this appears to be an isolated case, EMP of the true vocal cord must be included in the differential diagnosis in patients with history of longstanding hoarseness.