Abstract

A 22-year-old male who had cervical lymphnode metastasis as the first symptom of an extramedullary plasmacytoma was described. The recurrent plasmacytoma arising in the soft tissue of the neck was diagnosed 3 years after excision of the cervical lymphnode metastasis. The primary site of the plasmacytoma bas not yet been defected in spite of vigorous clinical approaches. Classical multiple myeloma was excluded by electrophoresis of serum and x-ray studies of the skeleton. The unusual clinical manifestation and atypical histologic features of both metastatic and recurrent plasmacytomas were discussed in detail.