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Proportion of 3 types of spinal arteriovenous shunts below the conus
| Classification | No. of Patients (%) | Feeding Artery |
|---|---|---|
| FTAVF | 11 (22.9%) | Artery of the filum terminale |
| FTAVF with extra supply | 3 (6.2%) | |
| FTAVF with conus AVM | 1 (2.1%) | |
| rAVS | 7 (14.6%) | Radicular artery of the segmental artery |
| rAVS with conus AVM | 3 (6.3%) | |
| SDAVF | 30 (62.5%) | Dural branch from the lumbar artery or lateral sacral artery |
