plasmacytoma

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plasmacytoma

 [plaz″mah-si-to´mah]
1. a plasma cell dyscrasia.
2. a discrete, presumably solitary, plasma cell tumor mass.

plas·ma·cy·to·ma

(plaz'mă-sī-tō'mă),
A discrete, presumably solitary mass of neoplastic plasma cells in bone or in one of various extramedullary sites; in humans, such lesions are probably the initial phase of developing plasma cell myeloma.
[plasmacyte + G. -oma, tumor]

plasmacytoma

/plas·ma·cy·to·ma/ (plaz″mah-si-to´mah)

plasmacytoma

[plaz′məsītō′mə] pl. plasmacytomas, plasmacytomata,
a focal neoplasm containing plasma cells that may develop in the bone marrow, as in multiple myeloma, or outside the bone marrow, as in tumors of the viscera and the mucosa of the nasal, oral, and pharyngeal areas. Also called peripheral plasma cell myeloma, plasma cell tumor.

plasmacytoma

Hematology A tumor composed of malignant plasma cells. See Plasma cell.

plas·ma·cy·to·ma

(plaz'mă-sī-tō'mă)
A discrete, presumably solitary mass of neoplastic plasma cells in bone or in one of various extramedullary sites; in humans, such lesions are probably the initial phase of developing plasma cell myeloma.
[plasmacyte + G. -oma, tumor]

plas·ma·cy·to·ma

(plaz'mă-sī-tō'mă)
A discrete, presumably solitary mass of neoplastic plasma cells in bone or in one of various extramedullary sites; in humans, such lesions are probably the initial phase of developing plasma cell myeloma.
[plasmacyte + G. -oma, tumor]

plasmacytoma

any focal neoplasm of plasmacytes, including those of multiple myeloma (immunoblastic sarcoma). Isolated plasmacytomas may occur outside the bone marrow (extramedullary plasmacytomas), affecting such tissues as the nasal, oral, pharyngeal and gastrointestinal mucosa and other viscera; called also plasma cell tumor.