PMC6311888_01
Sagittal and transversal MRI sections showing a voluminous process of the posterior tongue infiltrating the uvula and tonsils.
CRIHEM2018-6910624.001.jpg
PMC6311888_01_CRIHEM2018-6910624.001.jpg
fig1
This process infiltrated the uvula and the tonsils (Figure 1).
Tongue base biopsies showing massive infiltration with plasmacytic differentiation cells, comforted by the positivity of CD138 and lambda chains.
CRIHEM2018-6910624.002.jpg
PMC6311888_01_CRIHEM2018-6910624.002.jpg
fig2
Immunohistochemistry showed positivity of CD138 and monoclonal expression of Lambda chains (Figure 2).
Sagittal and transversal MRI sections of the right knee showing plasmacytoma of the lower right femur metaphysis blowing the inner cortical.
CRIHEM2018-6910624.003.jpg
PMC6311888_01_CRIHEM2018-6910624.003.jpg
fig3
It destroyed the inner cortical and measured 61 x 47 x 47 mm according to major axes (Figure 3).
Bone marrow smears showing infiltration with dystrophic plasma cells: (a) 40x magnification; (b) 100x magnification.
CRIHEM2018-6910624.004.jpg
PMC6311888_01_CRIHEM2018-6910624.004.jpg
fig4
Bone marrow aspiration showed 12% dystrophic plasma cell medullary infiltration, with presence of some plasma cells clusters (Figure 4).