| Extramedullary plasmacytoma and tooth eruption into the nasal cavity are both rare events. |
| In the early stages, myeloma may be preceded by a predominantly lytic plasmacytoma that is usually found in the axial skeleton. |
| In view of the age of the patient, the differential diagnosis included metastasis, plasmacytoma, lymphoma, fibrosarcoma, or malignant fibrous histiocytoma. |
| Autologous bone marrow transplanation for extramedullary plasmacytoma presenting as adrenal incidentaloma. |
| As stated, a bone marrow biopsy was negative for plasma cell dyscrasia in our case, which further supports the diagnosis of a localized plasmacytoma. |
| Plasma cells can be numerous, suggesting the possibility of plasmacytoma. |
