It has been presented a rare case of extramedullary plasmocytoma in a 69-years-old woman. The tumor has arised in soft tissues of the right cheek. Extramedullary plasmocytoma is a rare tumor which belongs to non-Hodgkin's lymphomas. The characteristic feature of that group is monoclonal proliferation of B lymphocytes. One of the most common locations is nasopharynx and paranasal sinuses.