Plasmacytoma is a discrete, unifocal, monoclonal neoplastic proliferation of the plasma cells. It may present as one of the three distinct clinical entities: multiple myeloma (MM), solitary plasmacytoma of bone and extramedullary plasmacytoma. Solitary bone plasmacytoma accounts for 3% of all plasma cell neoplasms with approximately 50% of the cases transforming into MM. It is frequently seen in vertebrae and secondarily in long bones. Its presence in jaws is extremely rare and when it is seen, retromolar area, angle and ramus of the mandible are most common sites of occurrence. A comprehensive clinical, radiological, histological and immunohistochemical features of solitary plasmacytoma of the mandible in a 46-year-old female patient is reported.
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