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Table 1: Summary of patient data
Patient No. Main Clinical Finding Site of DAVF Site of RCVD Abnormal Flow Void rCBV ratio
1 Papilledema Left TSS Left Yes 1.42
2 Subarachnoid hemorrhage Left TSS Left Yes 1.94
3 Pulsatile tinnitis Right TSS Right No 1.14
4 Convulsion Left TSS Left No 1.15
5 Papilledema TS Both Yes 1.46
6 Papilledema Left TSS Left No 1.24
7 Pulsatile tinnitis Left TSS Left No 1.32
8 Papilledema TS, right TSS Both Yes 1.19
9 Subcortical Hemorrhage SSS Both Yes 1.37
10 Conjunctival injection Right CS Left No 1.32
Ref. 1 Pulsatile tinnitis Left TSS No No 1.02
Ref. 2 Pulsatile tinnitis Right TSS No No 1.03
Note:—DAVF indicates dural arteriovenous fistula; RCVD, retrograde cortical venous drainage; rCBV, relative cerebral blood volume; TSS, transverse-sigmoid sinus; TS, torcular herophili; SSS, superior sagittal sinus; CS, cavernous sinus; NA, not applicable.