PMC4910265_01
Serum tube centrifuged within one hour from blood sampling showed visible gelatinous precipitate after overnight refrigeration.
bm-26-248-f1.jpg
PMC4910265_01_bm-26-248-f1.jpg
f1
Therefore, further laboratory diagnostics was focused on serum protein electrophoresis and immunofixation of serum and heparin plasma leftovers (Figure 1).
Serum electrophoresis detected M-protein in gamma fraction (a) and immunofixation identified monoclonal immunoglobulin G lambda (b).
bm-26-248-f2.jpg
PMC4910265_01_bm-26-248-f2.jpg
f2
Immunofixation identified monoclonal IgG - lambda (M-IgG-lambda) (Figure 2).