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Washington University Experience | NEOPLASMS (HEMATOLYMPHOID) | Plasmacytoma | 6A2 Plasma Cell Dyscrasia (Case 6) H&E 102X
Sections of the L4 mass show cortical and trabecular bone, cartilage and a neoplasm. Focal areas show a mixed infiltrate of predominantly small lymphocytes and plasma cells. Individual and variably sized clusters of plasma cells are identified. The plasma cells include mature and immature appearing cells.