Clinical characteristics of the RS series
Characteristic . | Whole series . | Clonally related . | Clonally unrelated . | Undetermined clonal relationship . | ||||
---|---|---|---|---|---|---|---|---|
n/N . | % . | n/N . | % . | n/N . | % . | n/N . | % . | |
Clinical features at RS diagnosis | ||||||||
Age > 60 y | 56/86 | 65.1 | 31/50 | 62.0 | 11/13 | 84.6 | 14/23 | 60.9 |
Male | 54/86 | 62.8 | 31/50 | 62.0 | 8/13 | 61.5 | 15/23 | 65.2 |
Date of RS diagnosis | ||||||||
1990-1994 | 5/86 | 5.8 | 3/50 | 6.0 | 0/13 | 0 | 2/23 | 8.7 |
1995-1999 | 7/86 | 8.1 | 4/50 | 8.0 | 2/13 | 15.4 | 1/23 | 4.3 |
2000-2004 | 30/86 | 34.9 | 17/50 | 34.0 | 3/13 | 23.1 | 10/23 | 43.5 |
2005-2010 | 44/86 | 51.2 | 26/50 | 52.0 | 8/13 | 61.5 | 10/23 | 43.5 |
ECOG PS > 1 | 30/82 | 36.6 | 21/49 | 42.9 | 2/11 | 18.2 | 7/22 | 31.8 |
Ann Arbor stage III-IV | 75/82 | 91.5 | 45/49 | 91.8 | 9/11 | 81.8 | 21/22 | 95.5 |
Binet stage | ||||||||
A | 20/82 | 24.4 | 10/49 | 20.4 | 3/11 | 27.3 | 7/22 | 31.8 |
B | 31/82 | 37.8 | 21/49 | 42.9 | 4/11 | 36.4 | 6/22 | 27.3 |
C | 31/82 | 37.8 | 18/49 | 36.7 | 4/11 | 36.4 | 9/22 | 40.9 |
B symptoms | 36/82 | 43.9 | 23/49 | 46.9 | 3/11 | 27.3 | 10/22 | 45.5 |
Extranodal sites > 1 | 26/83 | 31.3 | 17/49 | 34.7 | 2/11 | 18.2 | 7/23 | 30.4 |
Tumor size > 5 cm | 37/83 | 44.6 | 24/50 | 48.0 | 4/11 | 36.4 | 9/22 | 40.9 |
Nodal areas ≥ 5 | 24/83 | 28.9 | 17/50 | 34.0 | 1/11 | 9.1 | 6/22 | 27.3 |
ALC ≥ 5.0 × 109/L | 42/82 | 51.2 | 26/49 | 53.1 | 4/11 | 36.4 | 12/22 | 54.5 |
Hb level < 10 g/dL | 18/82 | 22.0 | 8/49 | 16.3 | 4/11 | 36.4 | 6/22 | 27.3 |
Platelet count < 100 × 109/L | 25/82 | 30.5 | 16/49 | 32.7 | 1/11 | 9.1 | 8/22 | 36.4 |
LDH > 1.5 ULN | 37/82 | 45.1 | 22/49 | 44.9 | 6/11 | 54.5 | 9/22 | 40.9 |
CD38 expression | 30/52 | 57.7 | 21/37 | 56.8 | 3/9 | 33.3 | 6/6 | 100 |
ZAP70 expression | 20/31 | 64.5 | 17/26 | 65.4 | 3/4 | 75.0 | 0/1 | 0 |
Prior CLL therapies > 1 | 32/83 | 38.6 | 18/49 | 36.7 | 5/12 | 41.7 | 9/22 | 40.9 |
IPI | ||||||||
Low | 11/82 | 13.4 | 4/49 | 8.2 | 2/11 | 18.2 | 5/22 | 22.7 |
Low-intermediate | 26/82 | 31.7 | 17/49 | 34.7 | 4/11 | 36.4 | 5/22 | 22.7 |
High-intermediate | 24/82 | 29.3 | 15/49 | 30.6 | 3/11 | 27.3 | 6/22 | 27.3 |
High | 21/82 | 25.6 | 13/49 | 26.5 | 2/11 | 18.2 | 6/22 | 27.3 |
RS score | ||||||||
0-1 point | 34/82 | 41.5 | 17/49 | 34.7 | 7/11 | 63.6 | 10/22 | 45.5 |
2 points | 15/82 | 18.3 | 12/49 | 24.5 | 0/11 | 0 | 3/22 | 13.6 |
3 points | 24/82 | 29.3 | 13/49 | 26.5 | 4/11 | 36.4 | 7/22 | 31.8 |
4-5 points | 9/82 | 11.0 | 7/49 | 14.3 | 0/11 | 0 | 2/22 | 9.1 |
Pathologic features at RS diagnosis | ||||||||
Site of RS development | ||||||||
Nodal | 57/86 | 66.2 | 37/50 | 74.0 | 9/13 | 69.2 | 11/23 | 47.8 |
Extranodal | 29/86 | 33.8 | 13/50 | 26.0 | 4/13 | 30.8 | 12/23 | 52.2 |
CD5 expression | 40/83 | 48.2 | 23/48 | 47.9 | 7/12 | 53.8 | 10/23 | 43.5 |
Non-GC phenotype | 76/82 | 92.7 | 43/46 | 93.5 | 11/13 | 84.6 | 22/23 | 95.7 |
EBV infection | 5/85 | 5.9 | 3/50 | 6.0 | 2/13 | 15.4 | 0/22 | 0 |
RS treatment | ||||||||
Regimen | ||||||||
R-CHOP/CHOP-like | 35/82 | 42.7 | 26/49 | 53.1 | 4/11 | 36.4 | 5/22 | 22.7 |
CHOP/CHOP-like | 18/82 | 22.0 | 8/49 | 16.3 | 4/11 | 36.4 | 6/22 | 27.3 |
Second-line regimens for NHL | 6/82 | 7.3 | 4/49 | 8.2 | 1/11 | 9.1 | 1/22 | 4.5 |
Fludarabine-based regimens | 7/82 | 8.5 | 5/49 | 10.2 | 0/11 | 0 | 2/22 | 9.1 |
Other | 16/82 | 19.5 | 6/49 | 12.2 | 2/11 | 18.2 | 8/22 | 36.4 |
Rituximab-based | 47/82 | 57.3 | 33/49 | 67.3 | 4/11 | 36.4 | 10/22 | 45.5 |
Allogeneic stem cell transplantation | 7/82 | 8.5 | 6/49 | 12.1 | 0/11 | 0 | 1/22 | 4.5 |
CR after RS induction treatment | 23/83 | 27.7 | 10/49 | 20.4 | 6/12 | 50.0 | 7/22 | 31.8 |
Characteristic . | Whole series . | Clonally related . | Clonally unrelated . | Undetermined clonal relationship . | ||||
---|---|---|---|---|---|---|---|---|
n/N . | % . | n/N . | % . | n/N . | % . | n/N . | % . | |
Clinical features at RS diagnosis | ||||||||
Age > 60 y | 56/86 | 65.1 | 31/50 | 62.0 | 11/13 | 84.6 | 14/23 | 60.9 |
Male | 54/86 | 62.8 | 31/50 | 62.0 | 8/13 | 61.5 | 15/23 | 65.2 |
Date of RS diagnosis | ||||||||
1990-1994 | 5/86 | 5.8 | 3/50 | 6.0 | 0/13 | 0 | 2/23 | 8.7 |
1995-1999 | 7/86 | 8.1 | 4/50 | 8.0 | 2/13 | 15.4 | 1/23 | 4.3 |
2000-2004 | 30/86 | 34.9 | 17/50 | 34.0 | 3/13 | 23.1 | 10/23 | 43.5 |
2005-2010 | 44/86 | 51.2 | 26/50 | 52.0 | 8/13 | 61.5 | 10/23 | 43.5 |
ECOG PS > 1 | 30/82 | 36.6 | 21/49 | 42.9 | 2/11 | 18.2 | 7/22 | 31.8 |
Ann Arbor stage III-IV | 75/82 | 91.5 | 45/49 | 91.8 | 9/11 | 81.8 | 21/22 | 95.5 |
Binet stage | ||||||||
A | 20/82 | 24.4 | 10/49 | 20.4 | 3/11 | 27.3 | 7/22 | 31.8 |
B | 31/82 | 37.8 | 21/49 | 42.9 | 4/11 | 36.4 | 6/22 | 27.3 |
C | 31/82 | 37.8 | 18/49 | 36.7 | 4/11 | 36.4 | 9/22 | 40.9 |
B symptoms | 36/82 | 43.9 | 23/49 | 46.9 | 3/11 | 27.3 | 10/22 | 45.5 |
Extranodal sites > 1 | 26/83 | 31.3 | 17/49 | 34.7 | 2/11 | 18.2 | 7/23 | 30.4 |
Tumor size > 5 cm | 37/83 | 44.6 | 24/50 | 48.0 | 4/11 | 36.4 | 9/22 | 40.9 |
Nodal areas ≥ 5 | 24/83 | 28.9 | 17/50 | 34.0 | 1/11 | 9.1 | 6/22 | 27.3 |
ALC ≥ 5.0 × 109/L | 42/82 | 51.2 | 26/49 | 53.1 | 4/11 | 36.4 | 12/22 | 54.5 |
Hb level < 10 g/dL | 18/82 | 22.0 | 8/49 | 16.3 | 4/11 | 36.4 | 6/22 | 27.3 |
Platelet count < 100 × 109/L | 25/82 | 30.5 | 16/49 | 32.7 | 1/11 | 9.1 | 8/22 | 36.4 |
LDH > 1.5 ULN | 37/82 | 45.1 | 22/49 | 44.9 | 6/11 | 54.5 | 9/22 | 40.9 |
CD38 expression | 30/52 | 57.7 | 21/37 | 56.8 | 3/9 | 33.3 | 6/6 | 100 |
ZAP70 expression | 20/31 | 64.5 | 17/26 | 65.4 | 3/4 | 75.0 | 0/1 | 0 |
Prior CLL therapies > 1 | 32/83 | 38.6 | 18/49 | 36.7 | 5/12 | 41.7 | 9/22 | 40.9 |
IPI | ||||||||
Low | 11/82 | 13.4 | 4/49 | 8.2 | 2/11 | 18.2 | 5/22 | 22.7 |
Low-intermediate | 26/82 | 31.7 | 17/49 | 34.7 | 4/11 | 36.4 | 5/22 | 22.7 |
High-intermediate | 24/82 | 29.3 | 15/49 | 30.6 | 3/11 | 27.3 | 6/22 | 27.3 |
High | 21/82 | 25.6 | 13/49 | 26.5 | 2/11 | 18.2 | 6/22 | 27.3 |
RS score | ||||||||
0-1 point | 34/82 | 41.5 | 17/49 | 34.7 | 7/11 | 63.6 | 10/22 | 45.5 |
2 points | 15/82 | 18.3 | 12/49 | 24.5 | 0/11 | 0 | 3/22 | 13.6 |
3 points | 24/82 | 29.3 | 13/49 | 26.5 | 4/11 | 36.4 | 7/22 | 31.8 |
4-5 points | 9/82 | 11.0 | 7/49 | 14.3 | 0/11 | 0 | 2/22 | 9.1 |
Pathologic features at RS diagnosis | ||||||||
Site of RS development | ||||||||
Nodal | 57/86 | 66.2 | 37/50 | 74.0 | 9/13 | 69.2 | 11/23 | 47.8 |
Extranodal | 29/86 | 33.8 | 13/50 | 26.0 | 4/13 | 30.8 | 12/23 | 52.2 |
CD5 expression | 40/83 | 48.2 | 23/48 | 47.9 | 7/12 | 53.8 | 10/23 | 43.5 |
Non-GC phenotype | 76/82 | 92.7 | 43/46 | 93.5 | 11/13 | 84.6 | 22/23 | 95.7 |
EBV infection | 5/85 | 5.9 | 3/50 | 6.0 | 2/13 | 15.4 | 0/22 | 0 |
RS treatment | ||||||||
Regimen | ||||||||
R-CHOP/CHOP-like | 35/82 | 42.7 | 26/49 | 53.1 | 4/11 | 36.4 | 5/22 | 22.7 |
CHOP/CHOP-like | 18/82 | 22.0 | 8/49 | 16.3 | 4/11 | 36.4 | 6/22 | 27.3 |
Second-line regimens for NHL | 6/82 | 7.3 | 4/49 | 8.2 | 1/11 | 9.1 | 1/22 | 4.5 |
Fludarabine-based regimens | 7/82 | 8.5 | 5/49 | 10.2 | 0/11 | 0 | 2/22 | 9.1 |
Other | 16/82 | 19.5 | 6/49 | 12.2 | 2/11 | 18.2 | 8/22 | 36.4 |
Rituximab-based | 47/82 | 57.3 | 33/49 | 67.3 | 4/11 | 36.4 | 10/22 | 45.5 |
Allogeneic stem cell transplantation | 7/82 | 8.5 | 6/49 | 12.1 | 0/11 | 0 | 1/22 | 4.5 |
CR after RS induction treatment | 23/83 | 27.7 | 10/49 | 20.4 | 6/12 | 50.0 | 7/22 | 31.8 |
ALC indicates absolute lymphocyte count; Hb, hemoglobin; ULN, upper limit of normal; ZAP70, ζ-associated protein 70; IPI, International Prognostic Index; GC, germinal center; R-CHOP, rituximab, cyclophosphamide, doxorubicin, vincristine, prednisone; CHOP, cyclophosphamide, doxorubicin, vincristine, and prednisone; NHL, non-Hodgkin lymphoma; and CR, complete remission.