Hemophagocytic lymphohistiocytosis secondary to composite lymphoma: Two case reports

Figure 2 Monoclonal patterns of T-cell receptor and immunoglobulin H rearrangements detection in Case 1. DNA was extracted from the patient’s lymph node samples and amplified by polymerase chain reaction with primers for the framework 2 portion of the immunoglobulin VH region (left) and the T-cell receptor (TCR) γ chain (right). M: Marker; 1: Water; 2: Negative control; 3: Positive control; 4: Sample.