extramedullary plasmacytoma
A plasma cell neoplasm arising at an extraosseous site. There is no involvement of the bone marrow. It most frequently involves the oropharynx, nasopharynx, sinuses, and larynx. Other sites of involvement include the gastrointestinal tract, central nervous system, breast, skin, lymph nodes, and bladder. A minority of patients have a monoclonal gammopathy. Treatment includes radiation therapy. Progression to plasma cell myeloma occurs in a minority of patients.
MONDO:0005615
plasmacytoma
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EP
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extramedullary plasmacytoma
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extramedullary plasmacytoma (clinical)
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extraosseous plasmacytoma
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plasmacytoma, extramedullary
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plasmacytoma, extramedullary (not occurring in bone)
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