Table 2:

Locations and frequency of the shunted venous pouch in 25 patients with transverse sigmoid sinus dural arteriovenous fistulas

LocationsNo. of Cases (%)
Sigmoid-jugular junction5 (20%)
Horizontal portion of SS6 (24%)
Perpendicular portion of SS9 (35%)
Trans-sigmoid junction16 (64%)
Junction of vein of Labbé9 (36%)
Distal portion of TS8 (32%)
Sinus confluence6 (24%)
  • Note:—SS indicates sigmoid sinus; TS, transverse sinus.