Fig. 1
From: Gamma heavy chain disease associated with rheumatoid arthritis: a case report
a Seric protein electrophoresis showing a small and stable monoclonal peak between beta and gamma zones. b Seric protein immunofixation electrophoresis disclosing monoclonal γ-heavy chain (arrow) without any clonal light chain. c Protein capillary electrophoresis immuno-subtraction technique showing isolated monoclonal γ-heavy chain. Serum samples of the patient are separately treated with anti-serum anti-κ and anti-λ.