Table 1.

Distribution of histologic subtypes


Histologic subtype

DL1, no. (%)

DL2, no. (%)

Total, no. (%)
B-cell lymphoma  31 (84)   61 (88)   92 (87)  
    Follicular lymphoma, grade III WHO   1 (3)   3 (4)   4 (4)  
    High-grade, Burkitt-like   0 (0)   1 (1)   1 (1)  
    Mantle cell lymphoma, blastic   1 (3)   1 (1)   2 (2)  
    Diffuse large-cell lymphoma   25 (68)   52 (75)   77 (73)  
        Primary sclerosis, mediastinal type   4 (11)   11 (16)   15 (14)  
        Centroblastic   15 (41)   27 (39)   42 (40)  
        Immunoblastic   1 (3)   4 (6)   5 (5)  
        T-cell—rich B-cell lymphoma   1 (3)   4 (6)   5 (5)  
        Anaplastic large cell lymphoma   2 (5)   1 (1)   3 (3)  
        Not otherwise specified   2 (5)   5 (7)   7 (7)  
    Aggressive B-cell lymphoma, not otherwise specified   1 (3)   1 (1)   2 (2)  
    Aggressive B-cell lymphoma, subtyping not possible   3 (8)   3 (4)   6 (6)  
T-cell lymphoma  6 (16)   8 (12)   14 (13)  
    Anaplastic large cell lymphoma   3 (8)   7 (10)   10 (9)  
    Peripheral T-cell lymphoma
 
3 (8)
 
1 (1)
 
4 (4)
 

Histologic subtype

DL1, no. (%)

DL2, no. (%)

Total, no. (%)
B-cell lymphoma  31 (84)   61 (88)   92 (87)  
    Follicular lymphoma, grade III WHO   1 (3)   3 (4)   4 (4)  
    High-grade, Burkitt-like   0 (0)   1 (1)   1 (1)  
    Mantle cell lymphoma, blastic   1 (3)   1 (1)   2 (2)  
    Diffuse large-cell lymphoma   25 (68)   52 (75)   77 (73)  
        Primary sclerosis, mediastinal type   4 (11)   11 (16)   15 (14)  
        Centroblastic   15 (41)   27 (39)   42 (40)  
        Immunoblastic   1 (3)   4 (6)   5 (5)  
        T-cell—rich B-cell lymphoma   1 (3)   4 (6)   5 (5)  
        Anaplastic large cell lymphoma   2 (5)   1 (1)   3 (3)  
        Not otherwise specified   2 (5)   5 (7)   7 (7)  
    Aggressive B-cell lymphoma, not otherwise specified   1 (3)   1 (1)   2 (2)  
    Aggressive B-cell lymphoma, subtyping not possible   3 (8)   3 (4)   6 (6)  
T-cell lymphoma  6 (16)   8 (12)   14 (13)  
    Anaplastic large cell lymphoma   3 (8)   7 (10)   10 (9)  
    Peripheral T-cell lymphoma
 
3 (8)
 
1 (1)
 
4 (4)
 

Histologic subtype of NHL as reported by reference pathology. For DL1, n = 39; for DL2, n = 71 (total, n = 110). For 2 patients further histologic subtyping was not available (aggressive lymphoma, not otherwise specified, n = 2). In 2 additional patients reference pathology review was not possible.

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