Table 1 Portosystemic shunt (PSS) type and grade classification of all dogs
PSS type | N | CT grading | ||||
|---|---|---|---|---|---|---|
Grade 1 | Grade 2 | Grade 3 | Grade 4 | N/A | ||
Left gastrophrenic | 30 | 1 | 7 | 11 | 9 | 2 |
Left gastroazygos | 8 | 0 | 2 | 4 | 1 | 1 |
Left gastrocaval | 1 | 0 | 1 | 0 | 0 | 0 |
Splenocaval | 1 | 0 | 0 | 0 | 1 | 0 |
Splenophrenic | 1 | 0 | 1 | 0 | 0 | 0 |
Left colocaval | 1 | 0 | 1 | 0 | 0 | 0 |
Total | 42 | 1 | 12 | 15 | 11 | 3 |