[Extramedullary plasmacytoma of the head and neck].

The aim of this review was to present plasma cell neoplasms, their development, common features and classification. Extramedullary plasmacytoma (EMP) is a most often plasma cell neoplasm in the head and neck. 80-90% EMP cases concern to head and neck: 40% nasal cavity and paranasal sinuses, about 20% nasopharynx, 18% oropharynx. Tumour symptoms are similar like in other neoplasm. It is very important to remember about plasma cell neoplasm during differential diagnosis because of relatively common occurrence. Extramedullary plasmacytoma is radiosensitive neoplasm with good prognosis therefore radiation therapy is the method of choice.