Abstract
Solitary extramedullary plasmacytoma (EMP) is a rare tumor constituting 4% of all plasma cell neoplasms. It may occur in any reticuloendothelial system containing organs but is found most frequently in the head and neck regions, which are rich in lymphoid tissue. The most common sites of origin are the subepithelial tissues of mucous membranes of the oronasopharynx and paranasal sinuses.1-5 Sonography has no role in the evaluation of tracheal lesions. We report a case of tracheal plasmacytoma that was discovered during a sonographic examination of the neck for goiter. The interesting aspect of this case is the presentation of a rare tracheal tumor diagnosed by a sonographic examination.
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