Table 1

Cutaneous lymphomas diagnosed during 2001-2005 in the 16 SEER program registries by histologic type and sex

ICD-O-3*codesTotal
Frequency by
Male
Female
M/FIRRP
CasesFrequency, %Cell type, %RateCasesRateCasesRate
Total 9670-9728, 9827 excluding 9675, 9721 3884 100.0  10.7 2285 14.0 1599 8.2 1.72 < .001 
Mature T-cell and NK-cell neoplasms (CTCLs)  2769 71.3 100.0 7.7 1626 10.0 1143 5.9 1.70 < .001 
    Mycosis fungoides (MF) 9700 1487 38.3 53.7 4.1 868 5.3 619 3.2 1.66 < .001 
    Sézary syndrome (SS) 9701 33 0.8 1.2 0.1 20 0.1 13 0.1 2.11 .05 
    CD30+ T-cell lymphoproliferative disorders of the skin (CD30+ LPD) 9714, 9718 396 10.2 14.3 1.1 233 1.5 163 0.8 1.73 < .001 
    Subcutaneous panniculitis-like T-cell lymphoma (SPTCL) 9708 23 0.6 0.8 0.1  17 0.1 ∼ ∼ 
    Primary cutaneous peripheral T-cell lymphoma (pcPTL) 9702, 9709 809 20.8 29.2 2.2 485 3.0 324 1.7 1.82 < .001 
    Extranodal NK/T-cell lymphoma, nasal type 9719 12 0.3 0.4 0.0 ∼ ∼ ∼ ∼ 
    Adult T-cell leukemia/lymphoma (HTLV-1 pos) 9827 0.1 0.1 ∼ ∼ ∼ ∼ ∼ 
    Angioimmunoblastic T-cell lymphoma 9705 0.2 0.3 ∼ ∼ ∼ ∼ ∼ 
Mature B-cell neoplasms  1105 28.5 100.0 3.1 651 4.0 454 2.3 1.76 < .001 
    Cutaneous marginal zone B-cell lymphoma (pcMZL) 9699 274 7.1 24.8 0.8 161 1.0 113 0.6 1.28 .001 
    Cutaneous follicle center lymphoma (pcFCL) 9690, 9691, 9695, 9698 331 8.5 30.0 0.9 200 1.2 131 0.7 1.84 < .001 
    Cutaneous diffuse large B-cell lymphoma (pcDLBCL) 9680, 9684 443 11.4 40.1 1.2 252 1.6 191 0.9 1.70 < .001 
        pcDLBCL-leg 9680, 9684 101 2.6 9.1 0.3 45 0.3 56 0.3 1.19 .44 
        pcDLBCL-other 9680, 9684 342 8.8 31.0 1.0 207 1.3 135 0.7 1.90 < .001 
    Extracutaneous lymphomas involving the skin 9670, 9671, 9673, 9687 57 1.5 5.2 0.2 38 0.2 19 0.1 2.55 .001 
        Small lymphocytic lymphoma 9670 32 0.8 2.9 0.1 21 0.1 11 0.1 2.44 .024 
        Lymphoplasmacytic lymphoma 9671 0.2 0.8 ∼ ∼ ∼ ∼ ∼ 
        Mantle cell lymphoma 9673 12 0.3 1.1 0.0 10 0.1 ∼ ∼ ∼ 
        Burkitt lymphoma 9687 0.1 0.4 ∼ ∼ ∼ ∼ ∼ 
Immature hematologic neoplasms 9727, 9728 10 0.3 100.0 0.0 ∼ ∼ ∼ ∼ 
    Blastic NK-cell lymphoma 9727 0.2 60.0 ∼ ∼ ∼ ∼ ∼ 
    Precursor B-cell lymphoblastic lymphoma 9728 0.1 40.0 ∼ ∼ ∼ ∼ ∼ 
ICD-O-3*codesTotal
Frequency by
Male
Female
M/FIRRP
CasesFrequency, %Cell type, %RateCasesRateCasesRate
Total 9670-9728, 9827 excluding 9675, 9721 3884 100.0  10.7 2285 14.0 1599 8.2 1.72 < .001 
Mature T-cell and NK-cell neoplasms (CTCLs)  2769 71.3 100.0 7.7 1626 10.0 1143 5.9 1.70 < .001 
    Mycosis fungoides (MF) 9700 1487 38.3 53.7 4.1 868 5.3 619 3.2 1.66 < .001 
    Sézary syndrome (SS) 9701 33 0.8 1.2 0.1 20 0.1 13 0.1 2.11 .05 
    CD30+ T-cell lymphoproliferative disorders of the skin (CD30+ LPD) 9714, 9718 396 10.2 14.3 1.1 233 1.5 163 0.8 1.73 < .001 
    Subcutaneous panniculitis-like T-cell lymphoma (SPTCL) 9708 23 0.6 0.8 0.1  17 0.1 ∼ ∼ 
    Primary cutaneous peripheral T-cell lymphoma (pcPTL) 9702, 9709 809 20.8 29.2 2.2 485 3.0 324 1.7 1.82 < .001 
    Extranodal NK/T-cell lymphoma, nasal type 9719 12 0.3 0.4 0.0 ∼ ∼ ∼ ∼ 
    Adult T-cell leukemia/lymphoma (HTLV-1 pos) 9827 0.1 0.1 ∼ ∼ ∼ ∼ ∼ 
    Angioimmunoblastic T-cell lymphoma 9705 0.2 0.3 ∼ ∼ ∼ ∼ ∼ 
Mature B-cell neoplasms  1105 28.5 100.0 3.1 651 4.0 454 2.3 1.76 < .001 
    Cutaneous marginal zone B-cell lymphoma (pcMZL) 9699 274 7.1 24.8 0.8 161 1.0 113 0.6 1.28 .001 
    Cutaneous follicle center lymphoma (pcFCL) 9690, 9691, 9695, 9698 331 8.5 30.0 0.9 200 1.2 131 0.7 1.84 < .001 
    Cutaneous diffuse large B-cell lymphoma (pcDLBCL) 9680, 9684 443 11.4 40.1 1.2 252 1.6 191 0.9 1.70 < .001 
        pcDLBCL-leg 9680, 9684 101 2.6 9.1 0.3 45 0.3 56 0.3 1.19 .44 
        pcDLBCL-other 9680, 9684 342 8.8 31.0 1.0 207 1.3 135 0.7 1.90 < .001 
    Extracutaneous lymphomas involving the skin 9670, 9671, 9673, 9687 57 1.5 5.2 0.2 38 0.2 19 0.1 2.55 .001 
        Small lymphocytic lymphoma 9670 32 0.8 2.9 0.1 21 0.1 11 0.1 2.44 .024 
        Lymphoplasmacytic lymphoma 9671 0.2 0.8 ∼ ∼ ∼ ∼ ∼ 
        Mantle cell lymphoma 9673 12 0.3 1.1 0.0 10 0.1 ∼ ∼ ∼ 
        Burkitt lymphoma 9687 0.1 0.4 ∼ ∼ ∼ ∼ ∼ 
Immature hematologic neoplasms 9727, 9728 10 0.3 100.0 0.0 ∼ ∼ ∼ ∼ 
    Blastic NK-cell lymphoma 9727 0.2 60.0 ∼ ∼ ∼ ∼ ∼ 
    Precursor B-cell lymphoblastic lymphoma 9728 0.1 40.0 ∼ ∼ ∼ ∼ ∼ 

pc indicates primary cutaneous.

*

ICD-O-3 CODES 9699, 9708, 9718, 9719, 9727, and 9728 are new and were not included in ICD-O-2.

Rates are per 1 000 000 person-years and age-adjusted to the 2000 US standard population (19 age groups; Census P25-1130).

Statistic not shown, based on fewer than 10 cases.

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