Multiple myeloma of the orbit
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Soft tissue mass in the superolateral aspect of the right orbit.
Fine needle aspiration biopsy
Final Diagnosis: Right orbital mass, Plasmacytoma (see Comment).
Comment: The FNA contains numerous atypical plasma cells with prominent nucleoli, occasional binucleation, and occasional mitotic figures including atypical forms. There is no lymphoid component to suggest that this is a lymphoma with plasmacytic differentiation. Given the patient's past history of myeloma, the findings are that of a plasmacytoma representing recurrence of her disease.
Patient with known multiple myeloma.