Research Article

Clinicopathological Features, Treatment Strategy, and Prognosis of Primary Non-Hodgkin’s Lymphoma of the Duodenum: A SEER Database Analysis

Table 1

Demographics and characteristics of PDLs.

Clinicopathologic featuresNumber of assessable patients (%)

Age (years)
 Mean ± SD60.96 ± 15.205
 ≥60578 (54.53)
 <60482 (45.47)
Gender
 Male604 (56.98)
 Female456 (43.02)
Marital status
 Married611 (57.65)
 Unmarried349 (32.92)
 Unknown100 (9.43)
Race
 White878 (82.83)
 Black69 (6.51)
 Others93 (8.77)
 Unknown20 (1.89)
Ann Arbor staging
 I564 (53.21)
 II182 (17.17)
 III40 (3.77)
 IV173 (16.32)
 Unknown101 (9.53)
Symptoms
 A463 (43.68)
 B127 (11.98)
 Unknown470 (44.34)
Histological type
 DBCLC348 (32.83)
 MALT146 (13.77)
 T-cell28 (2.64)
 FL436 (41.13)
 MCL29 (2.74)
 Unknown73 (6.89)
Combined with other cancers
 Yes111 (10.47)
 No949 (89.53)
Treatment modality
 Only surgery41 (3.87)
 Surgery + conservative51 (4.81)
 Conservative968 (91.32)

DLBCL = diffuse large B-cell lymphoma; ETCL = T-cell lymphoma; FL = follicular lymphoma; MALT = mucosa-associated lymphoid tissue; MCL = mantle cell lymphoma.