Composite Lymphoma with Follicular Lymphoma Transformation to Clonally Related Epstein–Barr Virus (EBV) Positive Diffuse Large B-Cell Lymphoma and EBV-PositiveClassic Hodgkin Lymphoma

Table 1

B-cell receptor clonality study peak sizes of distinct composite lymphoma components.

Tissue source	FR1	FR2	FR3	KA	KB
Follicular lymphoma	X	X	X	293.4	277.59; 281.67
Initial EBV + DLBCL	329.16	264.11	X	293.36	277.47; 281.69
Relapsed EBV + cHL	328.99	263.89	X	293.37	277.48; 281.69

PCR fragment size (nt); FR: Ig heavy chain framework; KA, KB: Ig kappa light chain A, B primer sets.