Table 1.
Demographic and clinical characteristics of patients with primary renal lymphoma (PRL).
| Characteristics | No. of Patient (n = 723) |
|---|---|
| Age | |
| mean age (±SD) | 63.7 (±17.7) |
| range | 2–95 |
| ≤60 | 255 (35.3%) |
| 61–80 | 369 (51.0%) |
| >80 | 99 (13.7%) |
| Sex | |
| Female | 268 (37.1%) |
| Male | 455 (62.9%) |
| Race | |
| White | 616 (85.2%) |
| Black | 59 (8.2%) |
| Asian or Pacific Islander | 42 (5.8%) |
| American Indian | 3 (0.4%) |
| Unknown | 3 (0.4%) |
| Year | |
| 1980–1999 | 171 (23.7%) |
| 2000–2013 | 552 (76.4%) |
| Laterality | |
| Bilateral | 57 (7.9%) |
| Left | 349 (48.3%) |
| Right | 283 (39.1%) |
| Unknown | 34 (4.7%) |
| Stage | |
| Stage I | 188 (26.0%) |
| Stage II | 178 (24.6%) |
| Stage III | 45 (6.2%) |
| Stage IV | 263 (36.4%) |
| Unknown | 49 (6.8%) |
| Surgery | |
| Surgery | 243 (33.6%) |
| Non-surgery | 462 (63.9%) |
| Unknown | 18 (2.5%) |
| Histology | |
| Hodgkin lymphoma | 5 (0.7%) |
| Non-Hodgkin lymphoma | 674 (93.2%) |
| DLBCL | 407 (56.3%) |
| Follicular lymphoma | 65 (9.0%) |
| Marginal zone lymphoma | 56 (7.8%) |
| Burkitt’s lymphoma | 25 (3.5%) |
| Small lymphatic lymphoma | 20 (2.8%) |
| Continued | |
| Characteristics | No. of Patient (n = 723) |
| T/NK cell lymphoma | 10 (1.4%) |
| Non-Hodgkin lymphoma, NOS | 91 (12.6%) |
| Lymphoma, NOS | 44 (6.1%) |
Note: SD: standard deviation; DLBCL: diffuse large B-cell lymphoma; NOS: not otherwise specified.