Plasmacytomas are malignant proliferations of plasma cells which can occur with different plasma cell dyscrasias. Solitary plasmacytomas of bone or extraosseous plasmacytomas, depending on the tissue of origin, develop in isolation without systemic manifestations of multiple myeloma. Three cases of cranial plasmacytomas are described, two in patients with multiple myeloma and one extraosseous plasmacytoma. Management options are discussed.
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