Summary of five patients with type I perimedullary spinal arteriovenous fistula

Patient No./Age (y)Arteriovenous FistulaTreatmentLEMFSphincter FunctionFollow-up (mo)
LocationSegmental ArteryFeeding ArteryPre-Post-Pre-Post-
1/46ConusLeft T8ASAEmb.24PoorGood43
2/43ConusRight L2PSAEmb.24PoorGood46
3/34ConusLeft L2ASAEmb.24PoorPoor49
4/67Filum terminaleLeft T12ASAEmb.13FairGood30
5/67ConusLeft L4Radiculopial arterySurgery13PoorFair37
  • Note.—LEMF indicates lower extremity motor function; ASA, anterior spinal artery; PSA, posteriolateral spinal artery; Emb., embolization.