Table 3.
Distribution of patients diagnosed with splenic lymphoid hyperplasia, complex hyperplasia, histiocytic sarcoma, and stromal sarcoma by age, sex, and breed among splenectomized dogs with a definitive histopathological diagnosis of the four splenic nodules identified from the VetCompass Australia database covering 96 primary-care veterinary clinics between 1989 and 2018.
| Lymphoid Hyperplasia (%) | Complex Hyperplasia (%) | Histiocytic Sarcoma (%) | Stromal Sarcoma (%) | Total (%) | |
|---|---|---|---|---|---|
| Age category (years) | |||||
| <8 | 33 (63.5) | 11 (21.2) | 2 (3.8) | 6 (11.5) | 52 (100) |
| 8–<10 | 30 (40.5) | 12 (16.2) | 16 (21.6) | 16 (21.6) | 74 (100) |
| ≥10 | 106 (56.1) | 32 (16.9) | 14 (7.4) | 37 (19.6) | 189 (100) |
| Sex | |||||
| Female entire | 17 (56.7) | 3 (10) | 5 (16.7) | 5 (16.7) | 30 (100) |
| Female neutered | 59 (53.2) | 19 (17.1) | 11 (9.9) | 22 (19.8) | 111 (100) |
| Male entire | 40 (65.6) | 7 (11.5) | 6 (9.8) | 8 (13.1) | 61 (100) |
| Male neutered | 53 (46.9) | 26 (23) | 10 (8.8) | 24 (21.2) | 113 (100) |
| Breed * | |||||
| Toys | 24 (47.1) | 8 (15.7) | 8 (15.7) | 11 (21.6) | 51 (100) |
| Terriers | 35 (57.4) | 12 (19.7) | 6 (9.8) | 8 (13.1) | 61 (100) |
| Gundogs | 34 (55.7) | 9 (14.8) | 7 (11.5) | 11 (18) | 61 (100) |
| Hounds | 19 (61.3) | 4 (13) | 1 (3.2) | 7 (22.6) | 31 (100) |
| Working | 29 (56.8) | 8 (15.7) | 3 (5.9) | 11 (21.6) | 51 (100) |
| Utility | 14 (41.2) | 10 (29.4) | 4 (11.7) | 6 (17.7) | 34 (100) |
| Non-sporting | 10 (50) | 3 (15) | 3 (15) | 4 (20) | 20 (100) |
| Total | 169 (53.6) | 55 (17.5) | 32 (10.2) | 59 (18.7) | 315 (100) |
* Unknown-breed dogs were removed from the Breed analysis.