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. 2020 Apr 22;20:346. doi: 10.1186/s12885-020-06870-w

Table 2.

The frequency of various plasmacytoma morphological variants in MM patients

Plasmacytoma localisation Morphological plasmacytoma variant-massive infiltration by plasma cell with p
Mature morphology Immature morphology
Bone 71.4% (10/14) 28.6% (4/14) 0.35
Extramedullary 42.9% (3/7) 57.1% (4/7)