System: CNS: Bone Marrow: Neoplastic: Myeloma
Lytic vertebral body lesion at T5 (arrow) Image
Atypical cells infiltrating the fibroconnective tissue and soft tissues. Image
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sheets of plasma cells Image
Strongly diffusely positive for CD138. Cells were negative for keratin 7 and 20. Image
Kappa on left, lambda on right Image