PMC4837273_01
CT-PET axial segment showing high uptake in the paravertebral soft tissue regions at L4/L5.
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fig1
MRI brain coronal view shows diffuse meningeal enhancement.
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fig2
MRI lower thoracic and lumbar spine sagittal view showing enhancement of the distal spinal cord and conus medullaris.
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fig3
Plasmacytoid cells found on cytospin of the cerebrospinal fluid confirming cellular infiltration of the central nervous system.
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fig4
CSF revealed numerous plasmacytoid cells with some plasma cells and small lymphocytes [Figure 4]. CSF immunophenotyping identified a CD5-negative CD23-positive lambda-restricted B-cell clone, also found in the bone marrow.