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Bone marrow examination disclosed plasmacytosis of 52% without amyloid deposition. Serum protein electrophoresis (SPEP) did not reveal an M-protein. Serum and urine IEP demonstrated a monoclonal ...
Investigations. Serum protein electrophoresis, contrast CT of thorax and abdomen, endoscopic retrograde cholangiopancreatography with endoscopic biopsy and pleural biopsy. Diagnosis ...
None of the techniques is without the hazards of false positive and false negative results. When using serum protein electrophoresis as the screen, the main causes for false positives include the ...