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Locations and frequency of the shunted venous pouch in 25 patients with transverse sigmoid sinus dural arteriovenous fistulas
| Locations | No. of Cases (%) |
|---|---|
| Sigmoid-jugular junction | 5 (20%) |
| Horizontal portion of SS | 6 (24%) |
| Perpendicular portion of SS | 9 (35%) |
| Trans-sigmoid junction | 16 (64%) |
| Junction of vein of Labbé | 9 (36%) |
| Distal portion of TS | 8 (32%) |
| Sinus confluence | 6 (24%) |
Note:—SS indicates sigmoid sinus; TS, transverse sinus.
