PMC9893496_01
(A) Immunofixation electrophoresis (serum) abnormal monoclonal bands found in lgG and kappa lane. (B) Immunofixation electrophoresis (serum) lgM and kappa lane. (C) Abnormal signal foci in left pontine and left cerebellar Angle. (D) Left frontal hemorrhage foci. (E)Left frontal infarction foci of pontine.
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F1
This patient's serum IFE results revealed an abnormal monoclonal band in the lgG and kappa lanes of immunofixation electrophoresis (serum) (Figure 1A). Brain MR (Magnetic Resonance) examination was performed, and the results showed abnormal signal foci in the left pontine and left pontine cerebellar Angle, and acute cerebral infarction in the left frontal lobe. (Figures 1C-E).