mm general mod for inservice.pptx

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Multiple Myeloma Mechanism of Disease:

Multiple Myeloma Mechanism of Disease

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Myeloma Cells Plasma Cells

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Hematopoietic stem cell Common lymphoid progenitor Pro-B cell Pre-B cell Immature B cell Tumor Cell Plasma Cell

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Deletions Translocations Mutations Radiation Viral i nfection Exposure to toxic chemicals Plasma Cell

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Stromal Cells

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Osteoblast Osteoclast

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Myeloma paraprotein (M-Protein) Bence Jones protein M-protein spike

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Causes Direct damage to nerve Compression of n erves caused by bone damage Accumulation of protein near nerves Autoimmune reaction Symptoms Altered skin sensations Muscle weakness Autonomic dysfunctions Peripheral Neuropathy

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Major cause of mortality Immunodeficiencies Lung Sinuses Urinary tract

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Monoclonal Gammopathy of Undetermined Significance M-GUS Presence of M-protein Smoldering Multiple Myeloma sMM >10% cells in marrow are tumor cells Multiple M yeloma MM alcium elevation enal dysfunction nemia one disease C R A B

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Bone damage Peripheral neuropathy Renal impairment Immunodeficiencies