Plasmacytoma of the larynx

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Abstract
Plasmacytoma involving the larynx is very rare. To the best of our knowledge there are only 79 cases reported in the world literature. We are adding 3 more cases; 2 cases were associated with multiple myeloma and 1 was considered to be a solitary or extramedullar plasmacytoma. The clinical picture was hoarseness and upper airway obstruction. In plasmacytoma of the larynx multiple biopsies are often nondiagnostic, sometimes revealing only chronic inflammation and amyloid infiltration in the tissues. Most authors agree that the treatment of choice is conservative surgical excision and radiation therapy. Surgery may also be reserved to excise residual scar tissue and fibrosis after treatment mainly to improve the airway and eliminate the tracheostomy tube. To confirm the definitive diagnosis of solitary plasmacytoma of the larynx, long-term follow-up of many years is necessary in order to rule out multiple myeloma.

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