Summary of five patients with type I perimedullary spinal arteriovenous fistula

Patient No./Age (y)	Arteriovenous Fistula			Treatment	LEMF		Sphincter Function		Follow-up (mo)
Patient No./Age (y)	Location	Segmental Artery	Feeding Artery	Treatment	Pre-	Post-	Pre-	Post-	Follow-up (mo)
1/46	Conus	Left T8	ASA	Emb.	2	4	Poor	Good	43
2/43	Conus	Right L2	PSA	Emb.	2	4	Poor	Good	46
3/34	Conus	Left L2	ASA	Emb.	2	4	Poor	Poor	49
4/67	Filum terminale	Left T12	ASA	Emb.	1	3	Fair	Good	30
5/67	Conus	Left L4	Radiculopial artery	Surgery	1	3	Poor	Fair	37

Note.—LEMF indicates lower extremity motor function; ASA, anterior spinal artery; PSA, posteriolateral spinal artery; Emb., embolization.