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[Extramedullary plasmacytoma of the nasopharynx. Typical versus atypical presentation].

Extramedullary plasmacytoma are rare plasma cell neoplasias. Eighty percent of these tumours grow in the ENT region. We report a typical case of a woman with a single tumour in the nasopharynx. Actually she is in complete remission after surgical and radiotherapic treatment. We also report an atypical case of a woman with a tumour in the nasopharynx associated with a cervical metastatic adenopathy and a plasmacytoma of bone. The treatment of this widespread disease was systemic chemotherapy. An update on this subject is done.