Genetic findings in follicular lymphoma and histiocytic or dendritic cell tumors
| Case . | t(14;18) by FISH . | BCL2/JH MBR rearrangement by PCR . | Clonal IGH rearrangement by PCR . | Sequence similarity between FL and H/DC tumor . | 
|---|---|---|---|---|
| 1-FL | + | + | + | + | 
| 1-HD/C | + | + | + | + | 
| 2-FL | + | + | + | + | 
| 2-HD/C | + | + | + | + | 
| 3-FL | + | + | + | unsat | 
| 3-HD/C | + | + | + | unsat | 
| 4-FL | + | − | + | + | 
| 4-HD/C | + | − | + | + | 
| 5-FL | + | + | + | + | 
| 5-HD/C | + | + | + | + | 
| 6-FL | unsat | + | + | unsat | 
| 6-HD/C | unsat | + | + | unsat | 
| 7-FL | unsat* | nd | + | nd | 
| 7-HD/C | + | nd | Not evaluable | nd | 
| 8-FL | unsat | + | − | +† | 
| 8-HD/C | unsat | + | − | +† | 
| Case . | t(14;18) by FISH . | BCL2/JH MBR rearrangement by PCR . | Clonal IGH rearrangement by PCR . | Sequence similarity between FL and H/DC tumor . | 
|---|---|---|---|---|
| 1-FL | + | + | + | + | 
| 1-HD/C | + | + | + | + | 
| 2-FL | + | + | + | + | 
| 2-HD/C | + | + | + | + | 
| 3-FL | + | + | + | unsat | 
| 3-HD/C | + | + | + | unsat | 
| 4-FL | + | − | + | + | 
| 4-HD/C | + | − | + | + | 
| 5-FL | + | + | + | + | 
| 5-HD/C | + | + | + | + | 
| 6-FL | unsat | + | + | unsat | 
| 6-HD/C | unsat | + | + | unsat | 
| 7-FL | unsat* | nd | + | nd | 
| 7-HD/C | + | nd | Not evaluable | nd | 
| 8-FL | unsat | + | − | +† | 
| 8-HD/C | unsat | + | − | +† |